78418890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:433

約数の個数: 144

約数和(自身を含む): 236527200

約数和(自身を除く): 158108310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 121, 165, 171, 190, 198, 209, 242, 285, 330, 342, 363, 379, 418, 495, 570, 605, 627, 726, 758, 855, 990, 1045, 1089, 1137, 1210, 1254, 1710, 1815, 1881, 1895, 2090, 2178, 2274, 2299, 3135, 3411, 3630, 3762, 3790, 4169, 4598, 5445, 5685, 6270, 6822, 6897, 7201, 8338, 9405, 10890, 11370, 11495, 12507, 13794, 14402, 17055, 18810, 20691, 20845, 21603, 22990, 25014, 34110, 34485, 36005, 37521, 41382, 41690, 43206, 45859, 62535, 64809, 68970, 72010, 75042, 79211, 91718, 103455, 108015, 125070, 129618, 137577, 158422, 187605, 206910, 216030, 229295, 237633, 275154, 324045, 375210, 396055, 412731, 458590, 475266, 648090, 687885, 712899, 792110, 825462, 871321, 1188165, 1375770, 1425798, 1742642, 2063655, 2376330, 2613963, 3564495, 4127310, 4356605, 5227926, 7128990, 7841889, 8713210, 13069815, 15683778, 26139630, 39209445, 78418890]

約数ペア:

[(1, 78418890), (2, 39209445), (3, 26139630), (5, 15683778), (6, 13069815), (9, 8713210), (10, 7841889), (11, 7128990), (15, 5227926), (18, 4356605), (19, 4127310), (22, 3564495), (30, 2613963), (33, 2376330), (38, 2063655), (45, 1742642), (55, 1425798), (57, 1375770), (66, 1188165), (90, 871321), (95, 825462), (99, 792110), (110, 712899), (114, 687885), (121, 648090), (165, 475266), (171, 458590), (190, 412731), (198, 396055), (209, 375210), (242, 324045), (285, 275154), (330, 237633), (342, 229295), (363, 216030), (379, 206910), (418, 187605), (495, 158422), (570, 137577), (605, 129618), (627, 125070), (726, 108015), (758, 103455), (855, 91718), (990, 79211), (1045, 75042), (1089, 72010), (1137, 68970), (1210, 64809), (1254, 62535), (1710, 45859), (1815, 43206), (1881, 41690), (1895, 41382), (2090, 37521), (2178, 36005), (2274, 34485), (2299, 34110), (3135, 25014), (3411, 22990), (3630, 21603), (3762, 20845), (3790, 20691), (4169, 18810), (4598, 17055), (5445, 14402), (5685, 13794), (6270, 12507), (6822, 11495), (6897, 11370), (7201, 10890), (8338, 9405)]