78128550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:316

約数の個数: 120

約数和(自身を含む): 220378752

約数和(自身を除く): 142250202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 101, 135, 150, 162, 191, 202, 225, 270, 303, 382, 405, 450, 505, 573, 606, 675, 810, 909, 955, 1010, 1146, 1350, 1515, 1719, 1818, 1910, 2025, 2525, 2727, 2865, 3030, 3438, 4050, 4545, 4775, 5050, 5157, 5454, 5730, 7575, 8181, 8595, 9090, 9550, 10314, 13635, 14325, 15150, 15471, 16362, 17190, 19291, 22725, 25785, 27270, 28650, 30942, 38582, 40905, 42975, 45450, 51570, 57873, 68175, 77355, 81810, 85950, 96455, 115746, 128925, 136350, 154710, 173619, 192910, 204525, 257850, 289365, 347238, 386775, 409050, 482275, 520857, 578730, 773550, 868095, 964550, 1041714, 1446825, 1562571, 1736190, 2604285, 2893650, 3125142, 4340475, 5208570, 7812855, 8680950, 13021425, 15625710, 26042850, 39064275, 78128550]

約数ペア:

[(1, 78128550), (2, 39064275), (3, 26042850), (5, 15625710), (6, 13021425), (9, 8680950), (10, 7812855), (15, 5208570), (18, 4340475), (25, 3125142), (27, 2893650), (30, 2604285), (45, 1736190), (50, 1562571), (54, 1446825), (75, 1041714), (81, 964550), (90, 868095), (101, 773550), (135, 578730), (150, 520857), (162, 482275), (191, 409050), (202, 386775), (225, 347238), (270, 289365), (303, 257850), (382, 204525), (405, 192910), (450, 173619), (505, 154710), (573, 136350), (606, 128925), (675, 115746), (810, 96455), (909, 85950), (955, 81810), (1010, 77355), (1146, 68175), (1350, 57873), (1515, 51570), (1719, 45450), (1818, 42975), (1910, 40905), (2025, 38582), (2525, 30942), (2727, 28650), (2865, 27270), (3030, 25785), (3438, 22725), (4050, 19291), (4545, 17190), (4775, 16362), (5050, 15471), (5157, 15150), (5454, 14325), (5730, 13635), (7575, 10314), (8181, 9550), (8595, 9090)]