31672680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 104025600

約数和(自身を除く): 72352920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 257, 260, 312, 316, 390, 395, 474, 514, 520, 632, 771, 780, 790, 948, 1027, 1028, 1185, 1285, 1542, 1560, 1580, 1896, 2054, 2056, 2370, 2570, 3081, 3084, 3160, 3341, 3855, 4108, 4740, 5135, 5140, 6162, 6168, 6682, 7710, 8216, 9480, 10023, 10270, 10280, 12324, 13364, 15405, 15420, 16705, 20046, 20303, 20540, 24648, 26728, 30810, 30840, 33410, 40092, 40606, 41080, 50115, 60909, 61620, 66820, 80184, 81212, 100230, 101515, 121818, 123240, 133640, 162424, 200460, 203030, 243636, 263939, 304545, 400920, 406060, 487272, 527878, 609090, 791817, 812120, 1055756, 1218180, 1319695, 1583634, 2111512, 2436360, 2639390, 3167268, 3959085, 5278780, 6334536, 7918170, 10557560, 15836340, 31672680]

約数ペア:

[(1, 31672680), (2, 15836340), (3, 10557560), (4, 7918170), (5, 6334536), (6, 5278780), (8, 3959085), (10, 3167268), (12, 2639390), (13, 2436360), (15, 2111512), (20, 1583634), (24, 1319695), (26, 1218180), (30, 1055756), (39, 812120), (40, 791817), (52, 609090), (60, 527878), (65, 487272), (78, 406060), (79, 400920), (104, 304545), (120, 263939), (130, 243636), (156, 203030), (158, 200460), (195, 162424), (237, 133640), (257, 123240), (260, 121818), (312, 101515), (316, 100230), (390, 81212), (395, 80184), (474, 66820), (514, 61620), (520, 60909), (632, 50115), (771, 41080), (780, 40606), (790, 40092), (948, 33410), (1027, 30840), (1028, 30810), (1185, 26728), (1285, 24648), (1542, 20540), (1560, 20303), (1580, 20046), (1896, 16705), (2054, 15420), (2056, 15405), (2370, 13364), (2570, 12324), (3081, 10280), (3084, 10270), (3160, 10023), (3341, 9480), (3855, 8216), (4108, 7710), (4740, 6682), (5135, 6168), (5140, 6162)]