18904537260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{1061}}^1$

素因数の和:1341

約数の個数: 288

約数和(自身を含む): 66798950400

約数和(自身を除く): 47894413140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 179, 180, 210, 237, 252, 315, 316, 358, 395, 420, 474, 537, 553, 630, 711, 716, 790, 895, 948, 1061, 1074, 1106, 1185, 1253, 1260, 1422, 1580, 1611, 1659, 1790, 2122, 2148, 2212, 2370, 2506, 2685, 2765, 2844, 3183, 3222, 3318, 3555, 3580, 3759, 4244, 4740, 4977, 5012, 5305, 5370, 5530, 6265, 6366, 6444, 6636, 7110, 7427, 7518, 8055, 8295, 9549, 9954, 10610, 10740, 11060, 11277, 12530, 12732, 14141, 14220, 14854, 15036, 15915, 16110, 16590, 18795, 19098, 19908, 21220, 22281, 22554, 24885, 25060, 28282, 29708, 31830, 32220, 33180, 37135, 37590, 38196, 42423, 44562, 45108, 47745, 49770, 56385, 56564, 63660, 66843, 70705, 74270, 75180, 83819, 84846, 89124, 95490, 98987, 99540, 111405, 112770, 127269, 133686, 141410, 148540, 167638, 169692, 189919, 190980, 197974, 212115, 222810, 225540, 251457, 254538, 267372, 282820, 296961, 334215, 335276, 379838, 395948, 419095, 424230, 445620, 494935, 502914, 509076, 569757, 586733, 593922, 636345, 668430, 754371, 759676, 838190, 848460, 890883, 949595, 989870, 1005828, 1139514, 1173466, 1187844, 1257285, 1272690, 1329433, 1336860, 1484805, 1508742, 1676380, 1709271, 1760199, 1781766, 1899190, 1979740, 2279028, 2346932, 2514570, 2545380, 2658866, 2848785, 2933665, 2969610, 3017484, 3418542, 3520398, 3563532, 3771855, 3798380, 3988299, 4454415, 5029140, 5280597, 5317732, 5697570, 5867330, 5939220, 6647165, 6837084, 7040796, 7543710, 7976598, 8546355, 8800995, 8908830, 10561194, 11395140, 11734660, 11964897, 13294330, 15003601, 15087420, 15953196, 17092710, 17601990, 17817660, 19941495, 21122388, 23929794, 26402985, 26588660, 30007202, 34185420, 35203980, 39882990, 45010803, 47859588, 52805970, 59824485, 60014404, 75018005, 79765980, 90021606, 105025207, 105611940, 119648970, 135032409, 150036010, 180043212, 210050414, 225054015, 239297940, 270064818, 300072020, 315075621, 420100828, 450108030, 525126035, 540129636, 630151242, 675162045, 900216060, 945226863, 1050252070, 1260302484, 1350324090, 1575378105, 1890453726, 2100504140, 2700648180, 3150756210, 3780907452, 4726134315, 6301512420, 9452268630, 18904537260]

約数ペア:

[(1, 18904537260), (2, 9452268630), (3, 6301512420), (4, 4726134315), (5, 3780907452), (6, 3150756210), (7, 2700648180), (9, 2100504140), (10, 1890453726), (12, 1575378105), (14, 1350324090), (15, 1260302484), (18, 1050252070), (20, 945226863), (21, 900216060), (28, 675162045), (30, 630151242), (35, 540129636), (36, 525126035), (42, 450108030), (45, 420100828), (60, 315075621), (63, 300072020), (70, 270064818), (79, 239297940), (84, 225054015), (90, 210050414), (105, 180043212), (126, 150036010), (140, 135032409), (158, 119648970), (179, 105611940), (180, 105025207), (210, 90021606), (237, 79765980), (252, 75018005), (315, 60014404), (316, 59824485), (358, 52805970), (395, 47859588), (420, 45010803), (474, 39882990), (537, 35203980), (553, 34185420), (630, 30007202), (711, 26588660), (716, 26402985), (790, 23929794), (895, 21122388), (948, 19941495), (1061, 17817660), (1074, 17601990), (1106, 17092710), (1185, 15953196), (1253, 15087420), (1260, 15003601), (1422, 13294330), (1580, 11964897), (1611, 11734660), (1659, 11395140), (1790, 10561194), (2122, 8908830), (2148, 8800995), (2212, 8546355), (2370, 7976598), (2506, 7543710), (2685, 7040796), (2765, 6837084), (2844, 6647165), (3183, 5939220), (3222, 5867330), (3318, 5697570), (3555, 5317732), (3580, 5280597), (3759, 5029140), (4244, 4454415), (4740, 3988299), (4977, 3798380), (5012, 3771855), (5305, 3563532), (5370, 3520398), (5530, 3418542), (6265, 3017484), (6366, 2969610), (6444, 2933665), (6636, 2848785), (7110, 2658866), (7427, 2545380), (7518, 2514570), (8055, 2346932), (8295, 2279028), (9549, 1979740), (9954, 1899190), (10610, 1781766), (10740, 1760199), (11060, 1709271), (11277, 1676380), (12530, 1508742), (12732, 1484805), (14141, 1336860), (14220, 1329433), (14854, 1272690), (15036, 1257285), (15915, 1187844), (16110, 1173466), (16590, 1139514), (18795, 1005828), (19098, 989870), (19908, 949595), (21220, 890883), (22281, 848460), (22554, 838190), (24885, 759676), (25060, 754371), (28282, 668430), (29708, 636345), (31830, 593922), (32220, 586733), (33180, 569757), (37135, 509076), (37590, 502914), (38196, 494935), (42423, 445620), (44562, 424230), (45108, 419095), (47745, 395948), (49770, 379838), (56385, 335276), (56564, 334215), (63660, 296961), (66843, 282820), (70705, 267372), (74270, 254538), (75180, 251457), (83819, 225540), (84846, 222810), (89124, 212115), (95490, 197974), (98987, 190980), (99540, 189919), (111405, 169692), (112770, 167638), (127269, 148540), (133686, 141410)]