421481940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 288

約数和(自身を含む): 1428658560

約数和(自身を除く): 1007176620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 29, 30, 33, 38, 44, 55, 57, 58, 60, 61, 66, 76, 87, 95, 110, 114, 116, 122, 132, 145, 165, 174, 183, 190, 209, 220, 228, 244, 285, 290, 305, 319, 330, 348, 361, 366, 380, 418, 435, 551, 570, 580, 610, 627, 638, 660, 671, 722, 732, 836, 870, 915, 957, 1045, 1083, 1102, 1140, 1159, 1220, 1254, 1276, 1342, 1444, 1595, 1653, 1740, 1769, 1805, 1830, 1914, 2013, 2090, 2166, 2204, 2318, 2508, 2684, 2755, 3135, 3190, 3306, 3355, 3477, 3538, 3610, 3660, 3828, 3971, 4026, 4180, 4332, 4636, 4785, 5307, 5415, 5510, 5795, 6061, 6270, 6380, 6612, 6710, 6954, 7076, 7220, 7942, 8052, 8265, 8845, 9570, 10065, 10469, 10614, 10830, 11020, 11590, 11913, 12122, 12540, 12749, 13420, 13908, 15884, 16530, 17385, 17690, 18183, 19140, 19459, 19855, 20130, 20938, 21228, 21660, 22021, 23180, 23826, 24244, 25498, 26535, 30305, 31407, 33060, 33611, 34770, 35380, 36366, 38247, 38918, 39710, 40260, 41876, 44042, 47652, 50996, 52345, 53070, 58377, 59565, 60610, 62814, 63745, 66063, 67222, 69540, 72732, 76494, 77836, 79420, 88084, 90915, 97295, 100833, 104690, 106140, 110105, 115159, 116754, 119130, 121220, 125628, 127490, 132126, 134444, 152988, 157035, 168055, 181830, 191235, 194590, 201666, 209380, 220210, 230318, 233508, 238260, 242231, 254980, 264252, 291885, 314070, 330315, 336110, 345477, 363660, 369721, 382470, 389180, 403332, 440420, 460636, 484462, 504165, 575795, 583770, 628140, 638609, 660630, 672220, 690954, 726693, 739442, 764940, 968924, 1008330, 1109163, 1151590, 1167540, 1211155, 1277218, 1321260, 1381908, 1453386, 1478884, 1727385, 1848605, 1915827, 2016660, 2218326, 2303180, 2422310, 2554436, 2906772, 3193045, 3454770, 3633465, 3697210, 3831654, 4436652, 4844620, 5545815, 6386090, 6909540, 7024699, 7266930, 7394420, 7663308, 9579135, 11091630, 12772180, 14049398, 14533860, 19158270, 21074097, 22183260, 28098796, 35123495, 38316540, 42148194, 70246990, 84296388, 105370485, 140493980, 210740970, 421481940]

約数ペア:

[(1, 421481940), (2, 210740970), (3, 140493980), (4, 105370485), (5, 84296388), (6, 70246990), (10, 42148194), (11, 38316540), (12, 35123495), (15, 28098796), (19, 22183260), (20, 21074097), (22, 19158270), (29, 14533860), (30, 14049398), (33, 12772180), (38, 11091630), (44, 9579135), (55, 7663308), (57, 7394420), (58, 7266930), (60, 7024699), (61, 6909540), (66, 6386090), (76, 5545815), (87, 4844620), (95, 4436652), (110, 3831654), (114, 3697210), (116, 3633465), (122, 3454770), (132, 3193045), (145, 2906772), (165, 2554436), (174, 2422310), (183, 2303180), (190, 2218326), (209, 2016660), (220, 1915827), (228, 1848605), (244, 1727385), (285, 1478884), (290, 1453386), (305, 1381908), (319, 1321260), (330, 1277218), (348, 1211155), (361, 1167540), (366, 1151590), (380, 1109163), (418, 1008330), (435, 968924), (551, 764940), (570, 739442), (580, 726693), (610, 690954), (627, 672220), (638, 660630), (660, 638609), (671, 628140), (722, 583770), (732, 575795), (836, 504165), (870, 484462), (915, 460636), (957, 440420), (1045, 403332), (1083, 389180), (1102, 382470), (1140, 369721), (1159, 363660), (1220, 345477), (1254, 336110), (1276, 330315), (1342, 314070), (1444, 291885), (1595, 264252), (1653, 254980), (1740, 242231), (1769, 238260), (1805, 233508), (1830, 230318), (1914, 220210), (2013, 209380), (2090, 201666), (2166, 194590), (2204, 191235), (2318, 181830), (2508, 168055), (2684, 157035), (2755, 152988), (3135, 134444), (3190, 132126), (3306, 127490), (3355, 125628), (3477, 121220), (3538, 119130), (3610, 116754), (3660, 115159), (3828, 110105), (3971, 106140), (4026, 104690), (4180, 100833), (4332, 97295), (4636, 90915), (4785, 88084), (5307, 79420), (5415, 77836), (5510, 76494), (5795, 72732), (6061, 69540), (6270, 67222), (6380, 66063), (6612, 63745), (6710, 62814), (6954, 60610), (7076, 59565), (7220, 58377), (7942, 53070), (8052, 52345), (8265, 50996), (8845, 47652), (9570, 44042), (10065, 41876), (10469, 40260), (10614, 39710), (10830, 38918), (11020, 38247), (11590, 36366), (11913, 35380), (12122, 34770), (12540, 33611), (12749, 33060), (13420, 31407), (13908, 30305), (15884, 26535), (16530, 25498), (17385, 24244), (17690, 23826), (18183, 23180), (19140, 22021), (19459, 21660), (19855, 21228), (20130, 20938)]