81008460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2663}}^1$

素因数の和:2704

約数の個数: 108

約数和(自身を含む): 266181552

約数和(自身を除く): 185173092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 2663, 3042, 3380, 5070, 5326, 6084, 7605, 7989, 10140, 10652, 13315, 15210, 15978, 23967, 26630, 30420, 31956, 34619, 39945, 47934, 53260, 69238, 79890, 95868, 103857, 119835, 138476, 159780, 173095, 207714, 239670, 311571, 346190, 415428, 450047, 479340, 519285, 623142, 692380, 900094, 1038570, 1246284, 1350141, 1557855, 1800188, 2077140, 2250235, 2700282, 3115710, 4050423, 4500470, 5400564, 6231420, 6750705, 8100846, 9000940, 13501410, 16201692, 20252115, 27002820, 40504230, 81008460]

約数ペア:

[(1, 81008460), (2, 40504230), (3, 27002820), (4, 20252115), (5, 16201692), (6, 13501410), (9, 9000940), (10, 8100846), (12, 6750705), (13, 6231420), (15, 5400564), (18, 4500470), (20, 4050423), (26, 3115710), (30, 2700282), (36, 2250235), (39, 2077140), (45, 1800188), (52, 1557855), (60, 1350141), (65, 1246284), (78, 1038570), (90, 900094), (117, 692380), (130, 623142), (156, 519285), (169, 479340), (180, 450047), (195, 415428), (234, 346190), (260, 311571), (338, 239670), (390, 207714), (468, 173095), (507, 159780), (585, 138476), (676, 119835), (780, 103857), (845, 95868), (1014, 79890), (1170, 69238), (1521, 53260), (1690, 47934), (2028, 39945), (2340, 34619), (2535, 31956), (2663, 30420), (3042, 26630), (3380, 23967), (5070, 15978), (5326, 15210), (6084, 13315), (7605, 10652), (7989, 10140)]