28897440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:463

約数の個数: 192

約数和(自身を含む): 107194752

約数和(自身を除く): 78297312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 352, 390, 416, 421, 429, 440, 480, 520, 528, 572, 624, 660, 715, 780, 842, 858, 880, 1040, 1056, 1144, 1248, 1263, 1320, 1430, 1560, 1684, 1716, 1760, 2080, 2105, 2145, 2288, 2526, 2640, 2860, 3120, 3368, 3432, 4210, 4290, 4576, 4631, 5052, 5280, 5473, 5720, 6240, 6315, 6736, 6864, 8420, 8580, 9262, 10104, 10946, 11440, 12630, 13472, 13728, 13893, 16419, 16840, 17160, 18524, 20208, 21892, 22880, 23155, 25260, 27365, 27786, 32838, 33680, 34320, 37048, 40416, 43784, 46310, 50520, 54730, 55572, 60203, 65676, 67360, 68640, 69465, 74096, 82095, 87568, 92620, 101040, 109460, 111144, 120406, 131352, 138930, 148192, 164190, 175136, 180609, 185240, 202080, 218920, 222288, 240812, 262704, 277860, 301015, 328380, 361218, 370480, 437840, 444576, 481624, 525408, 555720, 602030, 656760, 722436, 740960, 875680, 903045, 963248, 1111440, 1204060, 1313520, 1444872, 1806090, 1926496, 2222880, 2408120, 2627040, 2889744, 3612180, 4816240, 5779488, 7224360, 9632480, 14448720, 28897440]

約数ペア:

[(1, 28897440), (2, 14448720), (3, 9632480), (4, 7224360), (5, 5779488), (6, 4816240), (8, 3612180), (10, 2889744), (11, 2627040), (12, 2408120), (13, 2222880), (15, 1926496), (16, 1806090), (20, 1444872), (22, 1313520), (24, 1204060), (26, 1111440), (30, 963248), (32, 903045), (33, 875680), (39, 740960), (40, 722436), (44, 656760), (48, 602030), (52, 555720), (55, 525408), (60, 481624), (65, 444576), (66, 437840), (78, 370480), (80, 361218), (88, 328380), (96, 301015), (104, 277860), (110, 262704), (120, 240812), (130, 222288), (132, 218920), (143, 202080), (156, 185240), (160, 180609), (165, 175136), (176, 164190), (195, 148192), (208, 138930), (220, 131352), (240, 120406), (260, 111144), (264, 109460), (286, 101040), (312, 92620), (330, 87568), (352, 82095), (390, 74096), (416, 69465), (421, 68640), (429, 67360), (440, 65676), (480, 60203), (520, 55572), (528, 54730), (572, 50520), (624, 46310), (660, 43784), (715, 40416), (780, 37048), (842, 34320), (858, 33680), (880, 32838), (1040, 27786), (1056, 27365), (1144, 25260), (1248, 23155), (1263, 22880), (1320, 21892), (1430, 20208), (1560, 18524), (1684, 17160), (1716, 16840), (1760, 16419), (2080, 13893), (2105, 13728), (2145, 13472), (2288, 12630), (2526, 11440), (2640, 10946), (2860, 10104), (3120, 9262), (3368, 8580), (3432, 8420), (4210, 6864), (4290, 6736), (4576, 6315), (4631, 6240), (5052, 5720), (5280, 5473)]