821811240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:608

約数の個数: 192

約数和(自身を含む): 2778048000

約数和(自身を除く): 1956236760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 211, 248, 279, 310, 349, 360, 372, 422, 465, 558, 620, 633, 698, 744, 844, 930, 1047, 1055, 1116, 1240, 1266, 1395, 1396, 1688, 1745, 1860, 1899, 2094, 2110, 2232, 2532, 2790, 2792, 3141, 3165, 3490, 3720, 3798, 4188, 4220, 5064, 5235, 5580, 6282, 6330, 6541, 6980, 7596, 8376, 8440, 9495, 10470, 10819, 11160, 12564, 12660, 13082, 13960, 15192, 15705, 18990, 19623, 20940, 21638, 25128, 25320, 26164, 31410, 32457, 32705, 37980, 39246, 41880, 43276, 52328, 54095, 58869, 62820, 64914, 65410, 73639, 75960, 78492, 86552, 97371, 98115, 108190, 117738, 125640, 129828, 130820, 147278, 156984, 162285, 194742, 196230, 216380, 220917, 235476, 259656, 261640, 294345, 294556, 324570, 368195, 389484, 392460, 432760, 441834, 470952, 486855, 588690, 589112, 649140, 662751, 736390, 778968, 784920, 883668, 973710, 1104585, 1177380, 1298280, 1325502, 1472780, 1767336, 1947420, 2209170, 2282809, 2354760, 2651004, 2945560, 3313755, 3894840, 4418340, 4565618, 5302008, 6627510, 6848427, 8836680, 9131236, 11414045, 13255020, 13696854, 18262472, 20545281, 22828090, 26510040, 27393708, 34242135, 41090562, 45656180, 54787416, 68484270, 82181124, 91312360, 102726405, 136968540, 164362248, 205452810, 273937080, 410905620, 821811240]

約数ペア:

[(1, 821811240), (2, 410905620), (3, 273937080), (4, 205452810), (5, 164362248), (6, 136968540), (8, 102726405), (9, 91312360), (10, 82181124), (12, 68484270), (15, 54787416), (18, 45656180), (20, 41090562), (24, 34242135), (30, 27393708), (31, 26510040), (36, 22828090), (40, 20545281), (45, 18262472), (60, 13696854), (62, 13255020), (72, 11414045), (90, 9131236), (93, 8836680), (120, 6848427), (124, 6627510), (155, 5302008), (180, 4565618), (186, 4418340), (211, 3894840), (248, 3313755), (279, 2945560), (310, 2651004), (349, 2354760), (360, 2282809), (372, 2209170), (422, 1947420), (465, 1767336), (558, 1472780), (620, 1325502), (633, 1298280), (698, 1177380), (744, 1104585), (844, 973710), (930, 883668), (1047, 784920), (1055, 778968), (1116, 736390), (1240, 662751), (1266, 649140), (1395, 589112), (1396, 588690), (1688, 486855), (1745, 470952), (1860, 441834), (1899, 432760), (2094, 392460), (2110, 389484), (2232, 368195), (2532, 324570), (2790, 294556), (2792, 294345), (3141, 261640), (3165, 259656), (3490, 235476), (3720, 220917), (3798, 216380), (4188, 196230), (4220, 194742), (5064, 162285), (5235, 156984), (5580, 147278), (6282, 130820), (6330, 129828), (6541, 125640), (6980, 117738), (7596, 108190), (8376, 98115), (8440, 97371), (9495, 86552), (10470, 78492), (10819, 75960), (11160, 73639), (12564, 65410), (12660, 64914), (13082, 62820), (13960, 58869), (15192, 54095), (15705, 52328), (18990, 43276), (19623, 41880), (20940, 39246), (21638, 37980), (25128, 32705), (25320, 32457), (26164, 31410)]