328949680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 845660160

約数和(自身を除く): 516710480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 73, 79, 80, 92, 115, 124, 146, 155, 158, 184, 230, 248, 292, 310, 316, 365, 368, 395, 460, 496, 584, 620, 632, 713, 730, 790, 920, 1168, 1240, 1264, 1426, 1460, 1580, 1679, 1817, 1840, 2263, 2449, 2480, 2852, 2920, 3160, 3358, 3565, 3634, 4526, 4898, 5704, 5767, 5840, 6320, 6716, 7130, 7268, 8395, 9052, 9085, 9796, 11315, 11408, 11534, 12245, 13432, 14260, 14536, 16790, 18104, 18170, 19592, 22630, 23068, 24490, 26864, 28520, 28835, 29072, 33580, 36208, 36340, 39184, 45260, 46136, 48980, 52049, 56327, 57040, 57670, 67160, 72680, 90520, 92272, 97960, 104098, 112654, 115340, 132641, 134320, 145360, 178777, 181040, 195920, 208196, 225308, 230680, 260245, 265282, 281635, 357554, 416392, 450616, 461360, 520490, 530564, 563270, 663205, 715108, 832784, 893885, 901232, 1040980, 1061128, 1126540, 1326410, 1430216, 1787770, 2081960, 2122256, 2253080, 2652820, 2860432, 3575540, 4111871, 4163920, 4506160, 5305640, 7151080, 8223742, 10611280, 14302160, 16447484, 20559355, 32894968, 41118710, 65789936, 82237420, 164474840, 328949680]

約数ペア:

[(1, 328949680), (2, 164474840), (4, 82237420), (5, 65789936), (8, 41118710), (10, 32894968), (16, 20559355), (20, 16447484), (23, 14302160), (31, 10611280), (40, 8223742), (46, 7151080), (62, 5305640), (73, 4506160), (79, 4163920), (80, 4111871), (92, 3575540), (115, 2860432), (124, 2652820), (146, 2253080), (155, 2122256), (158, 2081960), (184, 1787770), (230, 1430216), (248, 1326410), (292, 1126540), (310, 1061128), (316, 1040980), (365, 901232), (368, 893885), (395, 832784), (460, 715108), (496, 663205), (584, 563270), (620, 530564), (632, 520490), (713, 461360), (730, 450616), (790, 416392), (920, 357554), (1168, 281635), (1240, 265282), (1264, 260245), (1426, 230680), (1460, 225308), (1580, 208196), (1679, 195920), (1817, 181040), (1840, 178777), (2263, 145360), (2449, 134320), (2480, 132641), (2852, 115340), (2920, 112654), (3160, 104098), (3358, 97960), (3565, 92272), (3634, 90520), (4526, 72680), (4898, 67160), (5704, 57670), (5767, 57040), (5840, 56327), (6320, 52049), (6716, 48980), (7130, 46136), (7268, 45260), (8395, 39184), (9052, 36340), (9085, 36208), (9796, 33580), (11315, 29072), (11408, 28835), (11534, 28520), (12245, 26864), (13432, 24490), (14260, 23068), (14536, 22630), (16790, 19592), (18104, 18170)]