130031980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 327608064

約数和(自身を除く): 197576084

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 73, 85, 124, 130, 146, 155, 169, 170, 221, 260, 292, 310, 338, 340, 365, 403, 442, 527, 620, 676, 730, 806, 845, 884, 949, 1054, 1105, 1241, 1460, 1612, 1690, 1898, 2015, 2108, 2210, 2263, 2482, 2635, 2873, 3380, 3796, 4030, 4420, 4526, 4745, 4964, 5239, 5270, 5746, 6205, 6851, 8060, 9052, 9490, 10478, 10540, 11315, 11492, 12337, 12410, 13702, 14365, 16133, 18980, 20956, 22630, 24674, 24820, 26195, 27404, 28730, 29419, 32266, 34255, 38471, 45260, 49348, 52390, 57460, 58838, 61685, 64532, 68510, 76942, 80665, 89063, 104780, 117676, 123370, 137020, 147095, 153884, 161330, 178126, 192355, 209729, 246740, 294190, 322660, 356252, 382447, 384710, 419458, 445315, 500123, 588380, 764894, 769420, 838916, 890630, 1000246, 1048645, 1529788, 1781260, 1912235, 2000492, 2097290, 2500615, 3824470, 4194580, 5001230, 6501599, 7648940, 10002460, 13003198, 26006396, 32507995, 65015990, 130031980]

約数ペア:

[(1, 130031980), (2, 65015990), (4, 32507995), (5, 26006396), (10, 13003198), (13, 10002460), (17, 7648940), (20, 6501599), (26, 5001230), (31, 4194580), (34, 3824470), (52, 2500615), (62, 2097290), (65, 2000492), (68, 1912235), (73, 1781260), (85, 1529788), (124, 1048645), (130, 1000246), (146, 890630), (155, 838916), (169, 769420), (170, 764894), (221, 588380), (260, 500123), (292, 445315), (310, 419458), (338, 384710), (340, 382447), (365, 356252), (403, 322660), (442, 294190), (527, 246740), (620, 209729), (676, 192355), (730, 178126), (806, 161330), (845, 153884), (884, 147095), (949, 137020), (1054, 123370), (1105, 117676), (1241, 104780), (1460, 89063), (1612, 80665), (1690, 76942), (1898, 68510), (2015, 64532), (2108, 61685), (2210, 58838), (2263, 57460), (2482, 52390), (2635, 49348), (2873, 45260), (3380, 38471), (3796, 34255), (4030, 32266), (4420, 29419), (4526, 28730), (4745, 27404), (4964, 26195), (5239, 24820), (5270, 24674), (5746, 22630), (6205, 20956), (6851, 18980), (8060, 16133), (9052, 14365), (9490, 13702), (10478, 12410), (10540, 12337), (11315, 11492)]