161904320

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:926

約数の個数: 112

約数和(自身を含む): 419404800

約数和(自身を除く): 257500480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 859, 992, 1178, 1216, 1240, 1520, 1718, 1984, 2356, 2480, 2945, 3040, 3436, 4295, 4712, 4960, 5890, 6080, 6872, 8590, 9424, 9920, 11780, 13744, 16321, 17180, 18848, 23560, 26629, 27488, 32642, 34360, 37696, 47120, 53258, 54976, 65284, 68720, 81605, 94240, 106516, 130568, 133145, 137440, 163210, 188480, 213032, 261136, 266290, 274880, 326420, 426064, 505951, 522272, 532580, 652840, 852128, 1011902, 1044544, 1065160, 1305680, 1704256, 2023804, 2130320, 2529755, 2611360, 4047608, 4260640, 5059510, 5222720, 8095216, 8521280, 10119020, 16190432, 20238040, 32380864, 40476080, 80952160, 161904320]

約数ペア:

[(1, 161904320), (2, 80952160), (4, 40476080), (5, 32380864), (8, 20238040), (10, 16190432), (16, 10119020), (19, 8521280), (20, 8095216), (31, 5222720), (32, 5059510), (38, 4260640), (40, 4047608), (62, 2611360), (64, 2529755), (76, 2130320), (80, 2023804), (95, 1704256), (124, 1305680), (152, 1065160), (155, 1044544), (160, 1011902), (190, 852128), (248, 652840), (304, 532580), (310, 522272), (320, 505951), (380, 426064), (496, 326420), (589, 274880), (608, 266290), (620, 261136), (760, 213032), (859, 188480), (992, 163210), (1178, 137440), (1216, 133145), (1240, 130568), (1520, 106516), (1718, 94240), (1984, 81605), (2356, 68720), (2480, 65284), (2945, 54976), (3040, 53258), (3436, 47120), (4295, 37696), (4712, 34360), (4960, 32642), (5890, 27488), (6080, 26629), (6872, 23560), (8590, 18848), (9424, 17180), (9920, 16321), (11780, 13744)]