90278880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 144

約数和(自身を含む): 300709584

約数和(自身を除く): 210430704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 361, 380, 456, 480, 521, 570, 608, 722, 760, 912, 1042, 1083, 1140, 1444, 1520, 1563, 1805, 1824, 2084, 2166, 2280, 2605, 2888, 3040, 3126, 3610, 4168, 4332, 4560, 5210, 5415, 5776, 6252, 7220, 7815, 8336, 8664, 9120, 9899, 10420, 10830, 11552, 12504, 14440, 15630, 16672, 17328, 19798, 20840, 21660, 25008, 28880, 29697, 31260, 34656, 39596, 41680, 43320, 49495, 50016, 57760, 59394, 62520, 79192, 83360, 86640, 98990, 118788, 125040, 148485, 158384, 173280, 188081, 197980, 237576, 250080, 296970, 316768, 376162, 395960, 475152, 564243, 593940, 752324, 791920, 940405, 950304, 1128486, 1187880, 1504648, 1583840, 1880810, 2256972, 2375760, 2821215, 3009296, 3761620, 4513944, 4751520, 5642430, 6018592, 7523240, 9027888, 11284860, 15046480, 18055776, 22569720, 30092960, 45139440, 90278880]

約数ペア:

[(1, 90278880), (2, 45139440), (3, 30092960), (4, 22569720), (5, 18055776), (6, 15046480), (8, 11284860), (10, 9027888), (12, 7523240), (15, 6018592), (16, 5642430), (19, 4751520), (20, 4513944), (24, 3761620), (30, 3009296), (32, 2821215), (38, 2375760), (40, 2256972), (48, 1880810), (57, 1583840), (60, 1504648), (76, 1187880), (80, 1128486), (95, 950304), (96, 940405), (114, 791920), (120, 752324), (152, 593940), (160, 564243), (190, 475152), (228, 395960), (240, 376162), (285, 316768), (304, 296970), (361, 250080), (380, 237576), (456, 197980), (480, 188081), (521, 173280), (570, 158384), (608, 148485), (722, 125040), (760, 118788), (912, 98990), (1042, 86640), (1083, 83360), (1140, 79192), (1444, 62520), (1520, 59394), (1563, 57760), (1805, 50016), (1824, 49495), (2084, 43320), (2166, 41680), (2280, 39596), (2605, 34656), (2888, 31260), (3040, 29697), (3126, 28880), (3610, 25008), (4168, 21660), (4332, 20840), (4560, 19798), (5210, 17328), (5415, 16672), (5776, 15630), (6252, 14440), (7220, 12504), (7815, 11552), (8336, 10830), (8664, 10420), (9120, 9899)]