640973970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1377

約数の個数: 192

約数和(自身を含む): 2086366464

約数和(自身を除く): 1445392494

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 61, 63, 65, 70, 78, 90, 91, 105, 117, 122, 126, 130, 182, 183, 195, 210, 234, 273, 305, 315, 366, 390, 427, 455, 546, 549, 585, 610, 630, 793, 819, 854, 910, 915, 1098, 1170, 1281, 1283, 1365, 1586, 1638, 1830, 2135, 2379, 2562, 2566, 2730, 2745, 3843, 3849, 3965, 4095, 4270, 4758, 5490, 5551, 6405, 6415, 7137, 7686, 7698, 7930, 8190, 8981, 11102, 11547, 11895, 12810, 12830, 14274, 16653, 16679, 17962, 19215, 19245, 23094, 23790, 26943, 27755, 33306, 33358, 35685, 38430, 38490, 44905, 49959, 50037, 53886, 55510, 57735, 71370, 78263, 80829, 83265, 83395, 89810, 99918, 100074, 115470, 116753, 134715, 150111, 156526, 161658, 166530, 166790, 233506, 234789, 249795, 250185, 269430, 300222, 350259, 391315, 404145, 469578, 499590, 500370, 547841, 583765, 700518, 704367, 750555, 782630, 808290, 1017419, 1050777, 1095682, 1167530, 1173945, 1408734, 1501110, 1643523, 1751295, 2034838, 2101554, 2347890, 2739205, 3052257, 3287046, 3502590, 3521835, 4930569, 5087095, 5253885, 5478410, 6104514, 7043670, 7121933, 8217615, 9156771, 9861138, 10174190, 10507770, 14243866, 15261285, 16435230, 18313542, 21365799, 24652845, 30522570, 35609665, 42731598, 45783855, 49305690, 64097397, 71219330, 91567710, 106828995, 128194794, 213657990, 320486985, 640973970]

約数ペア:

[(1, 640973970), (2, 320486985), (3, 213657990), (5, 128194794), (6, 106828995), (7, 91567710), (9, 71219330), (10, 64097397), (13, 49305690), (14, 45783855), (15, 42731598), (18, 35609665), (21, 30522570), (26, 24652845), (30, 21365799), (35, 18313542), (39, 16435230), (42, 15261285), (45, 14243866), (61, 10507770), (63, 10174190), (65, 9861138), (70, 9156771), (78, 8217615), (90, 7121933), (91, 7043670), (105, 6104514), (117, 5478410), (122, 5253885), (126, 5087095), (130, 4930569), (182, 3521835), (183, 3502590), (195, 3287046), (210, 3052257), (234, 2739205), (273, 2347890), (305, 2101554), (315, 2034838), (366, 1751295), (390, 1643523), (427, 1501110), (455, 1408734), (546, 1173945), (549, 1167530), (585, 1095682), (610, 1050777), (630, 1017419), (793, 808290), (819, 782630), (854, 750555), (910, 704367), (915, 700518), (1098, 583765), (1170, 547841), (1281, 500370), (1283, 499590), (1365, 469578), (1586, 404145), (1638, 391315), (1830, 350259), (2135, 300222), (2379, 269430), (2562, 250185), (2566, 249795), (2730, 234789), (2745, 233506), (3843, 166790), (3849, 166530), (3965, 161658), (4095, 156526), (4270, 150111), (4758, 134715), (5490, 116753), (5551, 115470), (6405, 100074), (6415, 99918), (7137, 89810), (7686, 83395), (7698, 83265), (7930, 80829), (8190, 78263), (8981, 71370), (11102, 57735), (11547, 55510), (11895, 53886), (12810, 50037), (12830, 49959), (14274, 44905), (16653, 38490), (16679, 38430), (17962, 35685), (19215, 33358), (19245, 33306), (23094, 27755), (23790, 26943)]