278311440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2317

約数の個数: 160

約数和(自身を含む): 961652736

約数和(自身を除く): 683341296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 132, 141, 165, 176, 188, 220, 235, 240, 264, 282, 330, 376, 440, 470, 517, 528, 564, 660, 705, 752, 880, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2243, 2256, 2585, 2640, 2820, 3102, 3760, 4136, 4486, 5170, 5640, 6204, 6729, 7755, 8272, 8972, 10340, 11215, 11280, 12408, 13458, 15510, 17944, 20680, 22430, 24673, 24816, 26916, 31020, 33645, 35888, 41360, 44860, 49346, 53832, 62040, 67290, 74019, 89720, 98692, 105421, 107664, 123365, 124080, 134580, 148038, 179440, 197384, 210842, 246730, 269160, 296076, 316263, 370095, 394768, 421684, 493460, 527105, 538320, 592152, 632526, 740190, 843368, 986920, 1054210, 1159631, 1184304, 1265052, 1480380, 1581315, 1686736, 1973840, 2108420, 2319262, 2530104, 2960760, 3162630, 3478893, 4216840, 4638524, 5060208, 5798155, 5921520, 6325260, 6957786, 8433680, 9277048, 11596310, 12650520, 13915572, 17394465, 18554096, 23192620, 25301040, 27831144, 34788930, 46385240, 55662288, 69577860, 92770480, 139155720, 278311440]

約数ペア:

[(1, 278311440), (2, 139155720), (3, 92770480), (4, 69577860), (5, 55662288), (6, 46385240), (8, 34788930), (10, 27831144), (11, 25301040), (12, 23192620), (15, 18554096), (16, 17394465), (20, 13915572), (22, 12650520), (24, 11596310), (30, 9277048), (33, 8433680), (40, 6957786), (44, 6325260), (47, 5921520), (48, 5798155), (55, 5060208), (60, 4638524), (66, 4216840), (80, 3478893), (88, 3162630), (94, 2960760), (110, 2530104), (120, 2319262), (132, 2108420), (141, 1973840), (165, 1686736), (176, 1581315), (188, 1480380), (220, 1265052), (235, 1184304), (240, 1159631), (264, 1054210), (282, 986920), (330, 843368), (376, 740190), (440, 632526), (470, 592152), (517, 538320), (528, 527105), (564, 493460), (660, 421684), (705, 394768), (752, 370095), (880, 316263), (940, 296076), (1034, 269160), (1128, 246730), (1320, 210842), (1410, 197384), (1551, 179440), (1880, 148038), (2068, 134580), (2243, 124080), (2256, 123365), (2585, 107664), (2640, 105421), (2820, 98692), (3102, 89720), (3760, 74019), (4136, 67290), (4486, 62040), (5170, 53832), (5640, 49346), (6204, 44860), (6729, 41360), (7755, 35888), (8272, 33645), (8972, 31020), (10340, 26916), (11215, 24816), (11280, 24673), (12408, 22430), (13458, 20680), (15510, 17944)]