55819160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 143700480

約数和(自身を除く): 87881320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 43, 46, 68, 83, 85, 86, 92, 115, 136, 166, 170, 172, 184, 215, 230, 332, 340, 344, 391, 415, 430, 460, 664, 680, 731, 782, 830, 860, 920, 989, 1411, 1462, 1564, 1660, 1720, 1909, 1955, 1978, 2822, 2924, 3128, 3320, 3569, 3655, 3818, 3910, 3956, 4945, 5644, 5848, 7055, 7138, 7310, 7636, 7820, 7912, 9545, 9890, 11288, 14110, 14276, 14620, 15272, 15640, 16813, 17845, 19090, 19780, 28220, 28552, 29240, 32453, 33626, 35690, 38180, 39560, 56440, 60673, 64906, 67252, 71380, 76360, 82087, 84065, 121346, 129812, 134504, 142760, 162265, 164174, 168130, 242692, 259624, 303365, 324530, 328348, 336260, 410435, 485384, 606730, 649060, 656696, 672520, 820870, 1213460, 1298120, 1395479, 1641740, 2426920, 2790958, 3283480, 5581916, 6977395, 11163832, 13954790, 27909580, 55819160]

約数ペア:

[(1, 55819160), (2, 27909580), (4, 13954790), (5, 11163832), (8, 6977395), (10, 5581916), (17, 3283480), (20, 2790958), (23, 2426920), (34, 1641740), (40, 1395479), (43, 1298120), (46, 1213460), (68, 820870), (83, 672520), (85, 656696), (86, 649060), (92, 606730), (115, 485384), (136, 410435), (166, 336260), (170, 328348), (172, 324530), (184, 303365), (215, 259624), (230, 242692), (332, 168130), (340, 164174), (344, 162265), (391, 142760), (415, 134504), (430, 129812), (460, 121346), (664, 84065), (680, 82087), (731, 76360), (782, 71380), (830, 67252), (860, 64906), (920, 60673), (989, 56440), (1411, 39560), (1462, 38180), (1564, 35690), (1660, 33626), (1720, 32453), (1909, 29240), (1955, 28552), (1978, 28220), (2822, 19780), (2924, 19090), (3128, 17845), (3320, 16813), (3569, 15640), (3655, 15272), (3818, 14620), (3910, 14276), (3956, 14110), (4945, 11288), (5644, 9890), (5848, 9545), (7055, 7912), (7138, 7820), (7310, 7636)]