320836880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44071}}^1$

素因数の和:44104

約数の個数: 80

約数和(自身を含む): 918107904

約数和(自身を除く): 597271024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 44071, 88142, 176284, 220355, 308497, 352568, 440710, 572923, 616994, 705136, 881420, 1145846, 1233988, 1542485, 1762840, 2291692, 2467976, 2864615, 3084970, 3525680, 4010461, 4583384, 4935952, 5729230, 6169940, 8020922, 9166768, 11458460, 12339880, 16041844, 20052305, 22916920, 24679760, 32083688, 40104610, 45833840, 64167376, 80209220, 160418440, 320836880]

約数ペア:

[(1, 320836880), (2, 160418440), (4, 80209220), (5, 64167376), (7, 45833840), (8, 40104610), (10, 32083688), (13, 24679760), (14, 22916920), (16, 20052305), (20, 16041844), (26, 12339880), (28, 11458460), (35, 9166768), (40, 8020922), (52, 6169940), (56, 5729230), (65, 4935952), (70, 4583384), (80, 4010461), (91, 3525680), (104, 3084970), (112, 2864615), (130, 2467976), (140, 2291692), (182, 1762840), (208, 1542485), (260, 1233988), (280, 1145846), (364, 881420), (455, 705136), (520, 616994), (560, 572923), (728, 440710), (910, 352568), (1040, 308497), (1456, 220355), (1820, 176284), (3640, 88142), (7280, 44071)]