177013720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 451584000

約数和(自身を除く): 274570280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 79, 104, 124, 130, 139, 155, 158, 248, 260, 278, 310, 316, 395, 403, 520, 556, 620, 632, 695, 790, 806, 1027, 1112, 1240, 1390, 1580, 1612, 1807, 2015, 2054, 2449, 2780, 3160, 3224, 3614, 4030, 4108, 4309, 4898, 5135, 5560, 7228, 8060, 8216, 8618, 9035, 9796, 10270, 10981, 12245, 14456, 16120, 17236, 18070, 19592, 20540, 21545, 21962, 24490, 31837, 34472, 36140, 41080, 43090, 43924, 48980, 54905, 56017, 63674, 72280, 86180, 87848, 97960, 109810, 112034, 127348, 142753, 159185, 172360, 219620, 224068, 254696, 280085, 285506, 318370, 340411, 439240, 448136, 560170, 571012, 636740, 680822, 713765, 1120340, 1142024, 1273480, 1361644, 1427530, 1702055, 2240680, 2723288, 2855060, 3404110, 4425343, 5710120, 6808220, 8850686, 13616440, 17701372, 22126715, 35402744, 44253430, 88506860, 177013720]

約数ペア:

[(1, 177013720), (2, 88506860), (4, 44253430), (5, 35402744), (8, 22126715), (10, 17701372), (13, 13616440), (20, 8850686), (26, 6808220), (31, 5710120), (40, 4425343), (52, 3404110), (62, 2855060), (65, 2723288), (79, 2240680), (104, 1702055), (124, 1427530), (130, 1361644), (139, 1273480), (155, 1142024), (158, 1120340), (248, 713765), (260, 680822), (278, 636740), (310, 571012), (316, 560170), (395, 448136), (403, 439240), (520, 340411), (556, 318370), (620, 285506), (632, 280085), (695, 254696), (790, 224068), (806, 219620), (1027, 172360), (1112, 159185), (1240, 142753), (1390, 127348), (1580, 112034), (1612, 109810), (1807, 97960), (2015, 87848), (2054, 86180), (2449, 72280), (2780, 63674), (3160, 56017), (3224, 54905), (3614, 48980), (4030, 43924), (4108, 43090), (4309, 41080), (4898, 36140), (5135, 34472), (5560, 31837), (7228, 24490), (8060, 21962), (8216, 21545), (8618, 20540), (9035, 19592), (9796, 18070), (10270, 17236), (10981, 16120), (12245, 14456)]