428176840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1599

約数の個数: 128

約数和(自身を含む): 1201536000

約数和(自身を除く): 773359160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 260, 280, 316, 364, 395, 455, 520, 553, 632, 728, 790, 910, 1027, 1106, 1489, 1580, 1820, 2054, 2212, 2765, 2978, 3160, 3640, 4108, 4424, 5135, 5530, 5956, 7189, 7445, 8216, 10270, 10423, 11060, 11912, 14378, 14890, 19357, 20540, 20846, 22120, 28756, 29780, 35945, 38714, 41080, 41692, 52115, 57512, 59560, 71890, 77428, 83384, 96785, 104230, 117631, 135499, 143780, 154856, 193570, 208460, 235262, 270998, 287560, 387140, 416920, 470524, 541996, 588155, 677495, 774280, 823417, 941048, 1083992, 1176310, 1354990, 1529203, 1646834, 2352620, 2709980, 3058406, 3293668, 4117085, 4705240, 5419960, 6116812, 6587336, 7646015, 8234170, 10704421, 12233624, 15292030, 16468340, 21408842, 30584060, 32936680, 42817684, 53522105, 61168120, 85635368, 107044210, 214088420, 428176840]

約数ペア:

[(1, 428176840), (2, 214088420), (4, 107044210), (5, 85635368), (7, 61168120), (8, 53522105), (10, 42817684), (13, 32936680), (14, 30584060), (20, 21408842), (26, 16468340), (28, 15292030), (35, 12233624), (40, 10704421), (52, 8234170), (56, 7646015), (65, 6587336), (70, 6116812), (79, 5419960), (91, 4705240), (104, 4117085), (130, 3293668), (140, 3058406), (158, 2709980), (182, 2352620), (260, 1646834), (280, 1529203), (316, 1354990), (364, 1176310), (395, 1083992), (455, 941048), (520, 823417), (553, 774280), (632, 677495), (728, 588155), (790, 541996), (910, 470524), (1027, 416920), (1106, 387140), (1489, 287560), (1580, 270998), (1820, 235262), (2054, 208460), (2212, 193570), (2765, 154856), (2978, 143780), (3160, 135499), (3640, 117631), (4108, 104230), (4424, 96785), (5135, 83384), (5530, 77428), (5956, 71890), (7189, 59560), (7445, 57512), (8216, 52115), (10270, 41692), (10423, 41080), (11060, 38714), (11912, 35945), (14378, 29780), (14890, 28756), (19357, 22120), (20540, 20846)]