77420280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 256

約数和(自身を含む): 283668480

約数和(自身を除く): 206248200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 47, 53, 56, 60, 70, 74, 84, 94, 105, 106, 111, 120, 140, 141, 148, 159, 168, 185, 188, 210, 212, 222, 235, 259, 265, 280, 282, 296, 318, 329, 370, 371, 376, 420, 424, 444, 470, 518, 530, 555, 564, 636, 658, 705, 740, 742, 777, 795, 840, 888, 940, 987, 1036, 1060, 1110, 1113, 1128, 1272, 1295, 1316, 1410, 1480, 1484, 1554, 1590, 1645, 1739, 1855, 1880, 1961, 1974, 2072, 2120, 2220, 2226, 2491, 2590, 2632, 2820, 2968, 3108, 3180, 3290, 3478, 3710, 3885, 3922, 3948, 4440, 4452, 4935, 4982, 5180, 5217, 5565, 5640, 5883, 6216, 6360, 6580, 6956, 7420, 7473, 7770, 7844, 7896, 8695, 8904, 9805, 9870, 9964, 10360, 10434, 11130, 11766, 12173, 12455, 13160, 13727, 13912, 14840, 14946, 15540, 15688, 17390, 17437, 19610, 19740, 19928, 20868, 22260, 23532, 24346, 24910, 26085, 27454, 29415, 29892, 31080, 34780, 34874, 36519, 37365, 39220, 39480, 41181, 41736, 44520, 47064, 48692, 49820, 52170, 52311, 54908, 58830, 59784, 60865, 68635, 69560, 69748, 73038, 74730, 78440, 82362, 87185, 92167, 97384, 99640, 104340, 104622, 109816, 117660, 121730, 137270, 139496, 146076, 149460, 164724, 174370, 182595, 184334, 205905, 208680, 209244, 235320, 243460, 261555, 274540, 276501, 292152, 298920, 329448, 348740, 365190, 368668, 411810, 418488, 460835, 486920, 523110, 549080, 553002, 645169, 697480, 730380, 737336, 823620, 921670, 1046220, 1106004, 1290338, 1382505, 1460760, 1647240, 1843340, 1935507, 2092440, 2212008, 2580676, 2765010, 3225845, 3686680, 3871014, 5161352, 5530020, 6451690, 7742028, 9677535, 11060040, 12903380, 15484056, 19355070, 25806760, 38710140, 77420280]

約数ペア:

[(1, 77420280), (2, 38710140), (3, 25806760), (4, 19355070), (5, 15484056), (6, 12903380), (7, 11060040), (8, 9677535), (10, 7742028), (12, 6451690), (14, 5530020), (15, 5161352), (20, 3871014), (21, 3686680), (24, 3225845), (28, 2765010), (30, 2580676), (35, 2212008), (37, 2092440), (40, 1935507), (42, 1843340), (47, 1647240), (53, 1460760), (56, 1382505), (60, 1290338), (70, 1106004), (74, 1046220), (84, 921670), (94, 823620), (105, 737336), (106, 730380), (111, 697480), (120, 645169), (140, 553002), (141, 549080), (148, 523110), (159, 486920), (168, 460835), (185, 418488), (188, 411810), (210, 368668), (212, 365190), (222, 348740), (235, 329448), (259, 298920), (265, 292152), (280, 276501), (282, 274540), (296, 261555), (318, 243460), (329, 235320), (370, 209244), (371, 208680), (376, 205905), (420, 184334), (424, 182595), (444, 174370), (470, 164724), (518, 149460), (530, 146076), (555, 139496), (564, 137270), (636, 121730), (658, 117660), (705, 109816), (740, 104622), (742, 104340), (777, 99640), (795, 97384), (840, 92167), (888, 87185), (940, 82362), (987, 78440), (1036, 74730), (1060, 73038), (1110, 69748), (1113, 69560), (1128, 68635), (1272, 60865), (1295, 59784), (1316, 58830), (1410, 54908), (1480, 52311), (1484, 52170), (1554, 49820), (1590, 48692), (1645, 47064), (1739, 44520), (1855, 41736), (1880, 41181), (1961, 39480), (1974, 39220), (2072, 37365), (2120, 36519), (2220, 34874), (2226, 34780), (2491, 31080), (2590, 29892), (2632, 29415), (2820, 27454), (2968, 26085), (3108, 24910), (3180, 24346), (3290, 23532), (3478, 22260), (3710, 20868), (3885, 19928), (3922, 19740), (3948, 19610), (4440, 17437), (4452, 17390), (4935, 15688), (4982, 15540), (5180, 14946), (5217, 14840), (5565, 13912), (5640, 13727), (5883, 13160), (6216, 12455), (6360, 12173), (6580, 11766), (6956, 11130), (7420, 10434), (7473, 10360), (7770, 9964), (7844, 9870), (7896, 9805), (8695, 8904)]