251680320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2873

約数の個数: 168

約数和(自身を含む): 893917440

約数和(自身を除く): 642237120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2819, 2880, 2976, 3720, 4464, 4960, 5580, 5638, 5952, 7440, 8457, 8928, 9920, 11160, 11276, 14095, 14880, 16914, 17856, 22320, 22552, 25371, 28190, 29760, 33828, 42285, 44640, 45104, 50742, 56380, 67656, 84570, 87389, 89280, 90208, 101484, 112760, 126855, 135312, 169140, 174778, 180416, 202968, 225520, 253710, 262167, 270624, 338280, 349556, 405936, 436945, 451040, 507420, 524334, 541248, 676560, 699112, 786501, 811872, 873890, 902080, 1014840, 1048668, 1310835, 1353120, 1398224, 1573002, 1623744, 1747780, 2029680, 2097336, 2621670, 2706240, 2796448, 3146004, 3495560, 3932505, 4059360, 4194672, 5243340, 5592896, 6292008, 6991120, 7865010, 8118720, 8389344, 10486680, 12584016, 13982240, 15730020, 16778688, 20973360, 25168032, 27964480, 31460040, 41946720, 50336064, 62920080, 83893440, 125840160, 251680320]

約数ペア:

[(1, 251680320), (2, 125840160), (3, 83893440), (4, 62920080), (5, 50336064), (6, 41946720), (8, 31460040), (9, 27964480), (10, 25168032), (12, 20973360), (15, 16778688), (16, 15730020), (18, 13982240), (20, 12584016), (24, 10486680), (30, 8389344), (31, 8118720), (32, 7865010), (36, 6991120), (40, 6292008), (45, 5592896), (48, 5243340), (60, 4194672), (62, 4059360), (64, 3932505), (72, 3495560), (80, 3146004), (90, 2796448), (93, 2706240), (96, 2621670), (120, 2097336), (124, 2029680), (144, 1747780), (155, 1623744), (160, 1573002), (180, 1398224), (186, 1353120), (192, 1310835), (240, 1048668), (248, 1014840), (279, 902080), (288, 873890), (310, 811872), (320, 786501), (360, 699112), (372, 676560), (465, 541248), (480, 524334), (496, 507420), (558, 451040), (576, 436945), (620, 405936), (720, 349556), (744, 338280), (930, 270624), (960, 262167), (992, 253710), (1116, 225520), (1240, 202968), (1395, 180416), (1440, 174778), (1488, 169140), (1860, 135312), (1984, 126855), (2232, 112760), (2480, 101484), (2790, 90208), (2819, 89280), (2880, 87389), (2976, 84570), (3720, 67656), (4464, 56380), (4960, 50742), (5580, 45104), (5638, 44640), (5952, 42285), (7440, 33828), (8457, 29760), (8928, 28190), (9920, 25371), (11160, 22552), (11276, 22320), (14095, 17856), (14880, 16914)]