278856780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8819}}^1$

素因数の和:8879

約数の個数: 96

約数和(自身を含む): 853493760

約数和(自身を除く): 574636980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 930, 1020, 1054, 1581, 1860, 2108, 2635, 3162, 5270, 6324, 7905, 8819, 10540, 15810, 17638, 26457, 31620, 35276, 44095, 52914, 88190, 105828, 132285, 149923, 176380, 264570, 273389, 299846, 449769, 529140, 546778, 599692, 749615, 820167, 899538, 1093556, 1366945, 1499230, 1640334, 1799076, 2248845, 2733890, 2998460, 3280668, 4100835, 4497690, 4647613, 5467780, 8201670, 8995380, 9295226, 13942839, 16403340, 18590452, 23238065, 27885678, 46476130, 55771356, 69714195, 92952260, 139428390, 278856780]

約数ペア:

[(1, 278856780), (2, 139428390), (3, 92952260), (4, 69714195), (5, 55771356), (6, 46476130), (10, 27885678), (12, 23238065), (15, 18590452), (17, 16403340), (20, 13942839), (30, 9295226), (31, 8995380), (34, 8201670), (51, 5467780), (60, 4647613), (62, 4497690), (68, 4100835), (85, 3280668), (93, 2998460), (102, 2733890), (124, 2248845), (155, 1799076), (170, 1640334), (186, 1499230), (204, 1366945), (255, 1093556), (310, 899538), (340, 820167), (372, 749615), (465, 599692), (510, 546778), (527, 529140), (620, 449769), (930, 299846), (1020, 273389), (1054, 264570), (1581, 176380), (1860, 149923), (2108, 132285), (2635, 105828), (3162, 88190), (5270, 52914), (6324, 44095), (7905, 35276), (8819, 31620), (10540, 26457), (15810, 17638)]