329307680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 906837120

約数和(自身を除く): 577529440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 67, 68, 80, 85, 104, 130, 134, 136, 139, 160, 170, 208, 221, 260, 268, 272, 278, 335, 340, 416, 442, 520, 536, 544, 556, 670, 680, 695, 871, 884, 1040, 1072, 1105, 1112, 1139, 1340, 1360, 1390, 1742, 1768, 1807, 2080, 2144, 2210, 2224, 2278, 2363, 2680, 2720, 2780, 3484, 3536, 3614, 4355, 4420, 4448, 4556, 4726, 5360, 5560, 5695, 6968, 7072, 7228, 8710, 8840, 9035, 9112, 9313, 9452, 10720, 11120, 11390, 11815, 13936, 14456, 14807, 17420, 17680, 18070, 18224, 18626, 18904, 22240, 22780, 23630, 27872, 28912, 29614, 30719, 34840, 35360, 36140, 36448, 37252, 37808, 45560, 46565, 47260, 57824, 59228, 61438, 69680, 72280, 74035, 74504, 75616, 91120, 93130, 94520, 118456, 121069, 122876, 139360, 144560, 148070, 149008, 153595, 158321, 182240, 186260, 189040, 236912, 242138, 245752, 289120, 296140, 298016, 307190, 316642, 372520, 378080, 473824, 484276, 491504, 592280, 605345, 614380, 633284, 745040, 791605, 968552, 983008, 1184560, 1210690, 1228760, 1266568, 1490080, 1583210, 1937104, 2058173, 2369120, 2421380, 2457520, 2533136, 3166420, 3874208, 4116346, 4842760, 4915040, 5066272, 6332840, 8232692, 9685520, 10290865, 12665680, 16465384, 19371040, 20581730, 25331360, 32930768, 41163460, 65861536, 82326920, 164653840, 329307680]

約数ペア:

[(1, 329307680), (2, 164653840), (4, 82326920), (5, 65861536), (8, 41163460), (10, 32930768), (13, 25331360), (16, 20581730), (17, 19371040), (20, 16465384), (26, 12665680), (32, 10290865), (34, 9685520), (40, 8232692), (52, 6332840), (65, 5066272), (67, 4915040), (68, 4842760), (80, 4116346), (85, 3874208), (104, 3166420), (130, 2533136), (134, 2457520), (136, 2421380), (139, 2369120), (160, 2058173), (170, 1937104), (208, 1583210), (221, 1490080), (260, 1266568), (268, 1228760), (272, 1210690), (278, 1184560), (335, 983008), (340, 968552), (416, 791605), (442, 745040), (520, 633284), (536, 614380), (544, 605345), (556, 592280), (670, 491504), (680, 484276), (695, 473824), (871, 378080), (884, 372520), (1040, 316642), (1072, 307190), (1105, 298016), (1112, 296140), (1139, 289120), (1340, 245752), (1360, 242138), (1390, 236912), (1742, 189040), (1768, 186260), (1807, 182240), (2080, 158321), (2144, 153595), (2210, 149008), (2224, 148070), (2278, 144560), (2363, 139360), (2680, 122876), (2720, 121069), (2780, 118456), (3484, 94520), (3536, 93130), (3614, 91120), (4355, 75616), (4420, 74504), (4448, 74035), (4556, 72280), (4726, 69680), (5360, 61438), (5560, 59228), (5695, 57824), (6968, 47260), (7072, 46565), (7228, 45560), (8710, 37808), (8840, 37252), (9035, 36448), (9112, 36140), (9313, 35360), (9452, 34840), (10720, 30719), (11120, 29614), (11390, 28912), (11815, 27872), (13936, 23630), (14456, 22780), (14807, 22240), (17420, 18904), (17680, 18626), (18070, 18224)]