321619480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:773

約数の個数: 128

約数和(自身を含む): 898128000

約数和(自身を除く): 576508520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 149, 182, 260, 280, 298, 364, 455, 520, 593, 596, 728, 745, 910, 1043, 1186, 1192, 1490, 1820, 1937, 2086, 2372, 2965, 2980, 3640, 3874, 4151, 4172, 4744, 5215, 5930, 5960, 7709, 7748, 8302, 8344, 9685, 10430, 11860, 13559, 15418, 15496, 16604, 19370, 20755, 20860, 23720, 27118, 30836, 33208, 38545, 38740, 41510, 41720, 53963, 54236, 61672, 67795, 77090, 77480, 83020, 88357, 107926, 108472, 135590, 154180, 166040, 176714, 215852, 269815, 271180, 308360, 353428, 431704, 441785, 539630, 542360, 618499, 706856, 883570, 1079260, 1148641, 1236998, 1767140, 2158520, 2297282, 2473996, 3092495, 3534280, 4594564, 4947992, 5743205, 6184990, 8040487, 9189128, 11486410, 12369980, 16080974, 22972820, 24739960, 32161948, 40202435, 45945640, 64323896, 80404870, 160809740, 321619480]

約数ペア:

[(1, 321619480), (2, 160809740), (4, 80404870), (5, 64323896), (7, 45945640), (8, 40202435), (10, 32161948), (13, 24739960), (14, 22972820), (20, 16080974), (26, 12369980), (28, 11486410), (35, 9189128), (40, 8040487), (52, 6184990), (56, 5743205), (65, 4947992), (70, 4594564), (91, 3534280), (104, 3092495), (130, 2473996), (140, 2297282), (149, 2158520), (182, 1767140), (260, 1236998), (280, 1148641), (298, 1079260), (364, 883570), (455, 706856), (520, 618499), (593, 542360), (596, 539630), (728, 441785), (745, 431704), (910, 353428), (1043, 308360), (1186, 271180), (1192, 269815), (1490, 215852), (1820, 176714), (1937, 166040), (2086, 154180), (2372, 135590), (2965, 108472), (2980, 107926), (3640, 88357), (3874, 83020), (4151, 77480), (4172, 77090), (4744, 67795), (5215, 61672), (5930, 54236), (5960, 53963), (7709, 41720), (7748, 41510), (8302, 38740), (8344, 38545), (9685, 33208), (10430, 30836), (11860, 27118), (13559, 23720), (15418, 20860), (15496, 20755), (16604, 19370)]