90403920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{521}}^1$

素因数の和:781

約数の個数: 120

約数和(自身を含む): 305451432

約数和(自身を除く): 215047512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 241, 360, 482, 521, 720, 723, 964, 1042, 1205, 1446, 1563, 1928, 2084, 2169, 2410, 2605, 2892, 3126, 3615, 3856, 4168, 4338, 4689, 4820, 5210, 5784, 6252, 7230, 7815, 8336, 8676, 9378, 9640, 10420, 10845, 11568, 12504, 14460, 15630, 17352, 18756, 19280, 20840, 21690, 23445, 25008, 28920, 31260, 34704, 37512, 41680, 43380, 46890, 57840, 62520, 75024, 86760, 93780, 125040, 125561, 173520, 187560, 251122, 375120, 376683, 502244, 627805, 753366, 1004488, 1130049, 1255610, 1506732, 1883415, 2008976, 2260098, 2511220, 3013464, 3766830, 4520196, 5022440, 5650245, 6026928, 7533660, 9040392, 10044880, 11300490, 15067320, 18080784, 22600980, 30134640, 45201960, 90403920]

約数ペア:

[(1, 90403920), (2, 45201960), (3, 30134640), (4, 22600980), (5, 18080784), (6, 15067320), (8, 11300490), (9, 10044880), (10, 9040392), (12, 7533660), (15, 6026928), (16, 5650245), (18, 5022440), (20, 4520196), (24, 3766830), (30, 3013464), (36, 2511220), (40, 2260098), (45, 2008976), (48, 1883415), (60, 1506732), (72, 1255610), (80, 1130049), (90, 1004488), (120, 753366), (144, 627805), (180, 502244), (240, 376683), (241, 375120), (360, 251122), (482, 187560), (521, 173520), (720, 125561), (723, 125040), (964, 93780), (1042, 86760), (1205, 75024), (1446, 62520), (1563, 57840), (1928, 46890), (2084, 43380), (2169, 41680), (2410, 37512), (2605, 34704), (2892, 31260), (3126, 28920), (3615, 25008), (3856, 23445), (4168, 21690), (4338, 20840), (4689, 19280), (4820, 18756), (5210, 17352), (5784, 15630), (6252, 14460), (7230, 12504), (7815, 11568), (8336, 10845), (8676, 10420), (9378, 9640)]