440203920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{709}}^1$

素因数の和:937

約数の個数: 160

約数和(自身を含む): 1479072000

約数和(自身を除く): 1038868080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 199, 208, 240, 260, 312, 390, 398, 520, 597, 624, 709, 780, 796, 995, 1040, 1194, 1418, 1560, 1592, 1990, 2127, 2388, 2587, 2836, 2985, 3120, 3184, 3545, 3980, 4254, 4776, 5174, 5672, 5970, 7090, 7761, 7960, 8508, 9217, 9552, 10348, 10635, 11344, 11940, 12935, 14180, 15522, 15920, 17016, 18434, 20696, 21270, 23880, 25870, 27651, 28360, 31044, 34032, 36868, 38805, 41392, 42540, 46085, 47760, 51740, 55302, 56720, 62088, 73736, 77610, 85080, 92170, 103480, 110604, 124176, 138255, 141091, 147472, 155220, 170160, 184340, 206960, 221208, 276510, 282182, 310440, 368680, 423273, 442416, 553020, 564364, 620880, 705455, 737360, 846546, 1106040, 1128728, 1410910, 1693092, 1834183, 2116365, 2212080, 2257456, 2821820, 3386184, 3668366, 4232730, 5502549, 5643640, 6772368, 7336732, 8465460, 9170915, 11005098, 11287280, 14673464, 16930920, 18341830, 22010196, 27512745, 29346928, 33861840, 36683660, 44020392, 55025490, 73367320, 88040784, 110050980, 146734640, 220101960, 440203920]

約数ペア:

[(1, 440203920), (2, 220101960), (3, 146734640), (4, 110050980), (5, 88040784), (6, 73367320), (8, 55025490), (10, 44020392), (12, 36683660), (13, 33861840), (15, 29346928), (16, 27512745), (20, 22010196), (24, 18341830), (26, 16930920), (30, 14673464), (39, 11287280), (40, 11005098), (48, 9170915), (52, 8465460), (60, 7336732), (65, 6772368), (78, 5643640), (80, 5502549), (104, 4232730), (120, 3668366), (130, 3386184), (156, 2821820), (195, 2257456), (199, 2212080), (208, 2116365), (240, 1834183), (260, 1693092), (312, 1410910), (390, 1128728), (398, 1106040), (520, 846546), (597, 737360), (624, 705455), (709, 620880), (780, 564364), (796, 553020), (995, 442416), (1040, 423273), (1194, 368680), (1418, 310440), (1560, 282182), (1592, 276510), (1990, 221208), (2127, 206960), (2388, 184340), (2587, 170160), (2836, 155220), (2985, 147472), (3120, 141091), (3184, 138255), (3545, 124176), (3980, 110604), (4254, 103480), (4776, 92170), (5174, 85080), (5672, 77610), (5970, 73736), (7090, 62088), (7761, 56720), (7960, 55302), (8508, 51740), (9217, 47760), (9552, 46085), (10348, 42540), (10635, 41392), (11344, 38805), (11940, 36868), (12935, 34032), (14180, 31044), (15522, 28360), (15920, 27651), (17016, 25870), (18434, 23880), (20696, 21270)]