64388860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 152409600

約数和(自身を除く): 88020740

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 41, 62, 68, 82, 85, 124, 149, 155, 164, 170, 205, 298, 310, 340, 410, 527, 596, 620, 697, 745, 820, 1054, 1271, 1394, 1490, 2108, 2533, 2542, 2635, 2788, 2980, 3485, 4619, 5066, 5084, 5270, 6109, 6355, 6970, 9238, 10132, 10540, 12218, 12665, 12710, 13940, 18476, 21607, 23095, 24436, 25330, 25420, 30545, 43214, 46190, 50660, 61090, 78523, 86428, 92380, 103853, 108035, 122180, 157046, 189379, 207706, 216070, 314092, 378758, 392615, 415412, 432140, 519265, 757516, 785230, 946895, 1038530, 1570460, 1893790, 2077060, 3219443, 3787580, 6438886, 12877772, 16097215, 32194430, 64388860]

約数ペア:

[(1, 64388860), (2, 32194430), (4, 16097215), (5, 12877772), (10, 6438886), (17, 3787580), (20, 3219443), (31, 2077060), (34, 1893790), (41, 1570460), (62, 1038530), (68, 946895), (82, 785230), (85, 757516), (124, 519265), (149, 432140), (155, 415412), (164, 392615), (170, 378758), (205, 314092), (298, 216070), (310, 207706), (340, 189379), (410, 157046), (527, 122180), (596, 108035), (620, 103853), (697, 92380), (745, 86428), (820, 78523), (1054, 61090), (1271, 50660), (1394, 46190), (1490, 43214), (2108, 30545), (2533, 25420), (2542, 25330), (2635, 24436), (2788, 23095), (2980, 21607), (3485, 18476), (4619, 13940), (5066, 12710), (5084, 12665), (5270, 12218), (6109, 10540), (6355, 10132), (6970, 9238)]