1251329880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 256

約数和(自身を含む): 4200284160

約数和(自身を除く): 2948954280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 47, 51, 60, 62, 68, 85, 93, 94, 102, 120, 124, 136, 141, 155, 170, 186, 188, 204, 235, 248, 255, 282, 310, 340, 372, 376, 408, 421, 465, 470, 510, 527, 564, 620, 680, 705, 744, 799, 842, 930, 940, 1020, 1054, 1128, 1240, 1263, 1410, 1457, 1581, 1598, 1684, 1860, 1880, 2040, 2105, 2108, 2397, 2526, 2635, 2820, 2914, 3162, 3196, 3368, 3720, 3995, 4210, 4216, 4371, 4794, 5052, 5270, 5640, 5828, 6315, 6324, 6392, 7157, 7285, 7905, 7990, 8420, 8742, 9588, 10104, 10540, 11656, 11985, 12630, 12648, 13051, 14314, 14570, 15810, 15980, 16840, 17484, 19176, 19787, 21080, 21471, 21855, 23970, 24769, 25260, 26102, 28628, 29140, 31620, 31960, 34968, 35785, 39153, 39574, 42942, 43710, 47940, 49538, 50520, 52204, 57256, 58280, 59361, 63240, 65255, 71570, 74307, 78306, 79148, 85884, 87420, 95880, 98935, 99076, 104408, 107355, 118722, 123845, 130510, 143140, 148614, 156612, 158296, 171768, 174840, 195765, 197870, 198152, 214710, 221867, 237444, 247690, 261020, 286280, 296805, 297228, 313224, 336379, 371535, 391530, 395740, 429420, 443734, 474888, 495380, 522040, 593610, 594456, 613397, 665601, 672758, 743070, 783060, 791480, 858840, 887468, 990760, 1009137, 1109335, 1187220, 1226794, 1331202, 1345516, 1486140, 1566120, 1681895, 1774936, 1840191, 2018274, 2218670, 2374440, 2453588, 2662404, 2691032, 2972280, 3066985, 3328005, 3363790, 3680382, 4036548, 4437340, 4907176, 5045685, 5324808, 6133970, 6656010, 6727580, 7360764, 8073096, 8874680, 9200955, 10091370, 10427749, 12267940, 13312020, 13455160, 14721528, 18401910, 20182740, 20855498, 24535880, 26624040, 31283247, 36803820, 40365480, 41710996, 52138745, 62566494, 73607640, 83421992, 104277490, 125132988, 156416235, 208554980, 250265976, 312832470, 417109960, 625664940, 1251329880]

約数ペア:

[(1, 1251329880), (2, 625664940), (3, 417109960), (4, 312832470), (5, 250265976), (6, 208554980), (8, 156416235), (10, 125132988), (12, 104277490), (15, 83421992), (17, 73607640), (20, 62566494), (24, 52138745), (30, 41710996), (31, 40365480), (34, 36803820), (40, 31283247), (47, 26624040), (51, 24535880), (60, 20855498), (62, 20182740), (68, 18401910), (85, 14721528), (93, 13455160), (94, 13312020), (102, 12267940), (120, 10427749), (124, 10091370), (136, 9200955), (141, 8874680), (155, 8073096), (170, 7360764), (186, 6727580), (188, 6656010), (204, 6133970), (235, 5324808), (248, 5045685), (255, 4907176), (282, 4437340), (310, 4036548), (340, 3680382), (372, 3363790), (376, 3328005), (408, 3066985), (421, 2972280), (465, 2691032), (470, 2662404), (510, 2453588), (527, 2374440), (564, 2218670), (620, 2018274), (680, 1840191), (705, 1774936), (744, 1681895), (799, 1566120), (842, 1486140), (930, 1345516), (940, 1331202), (1020, 1226794), (1054, 1187220), (1128, 1109335), (1240, 1009137), (1263, 990760), (1410, 887468), (1457, 858840), (1581, 791480), (1598, 783060), (1684, 743070), (1860, 672758), (1880, 665601), (2040, 613397), (2105, 594456), (2108, 593610), (2397, 522040), (2526, 495380), (2635, 474888), (2820, 443734), (2914, 429420), (3162, 395740), (3196, 391530), (3368, 371535), (3720, 336379), (3995, 313224), (4210, 297228), (4216, 296805), (4371, 286280), (4794, 261020), (5052, 247690), (5270, 237444), (5640, 221867), (5828, 214710), (6315, 198152), (6324, 197870), (6392, 195765), (7157, 174840), (7285, 171768), (7905, 158296), (7990, 156612), (8420, 148614), (8742, 143140), (9588, 130510), (10104, 123845), (10540, 118722), (11656, 107355), (11985, 104408), (12630, 99076), (12648, 98935), (13051, 95880), (14314, 87420), (14570, 85884), (15810, 79148), (15980, 78306), (16840, 74307), (17484, 71570), (19176, 65255), (19787, 63240), (21080, 59361), (21471, 58280), (21855, 57256), (23970, 52204), (24769, 50520), (25260, 49538), (26102, 47940), (28628, 43710), (29140, 42942), (31620, 39574), (31960, 39153), (34968, 35785)]