159281720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 409812480

約数和(自身を除く): 250530760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 155, 164, 205, 241, 248, 260, 310, 328, 403, 410, 482, 520, 533, 620, 806, 820, 964, 1066, 1205, 1240, 1271, 1612, 1640, 1928, 2015, 2132, 2410, 2542, 2665, 3133, 3224, 4030, 4264, 4820, 5084, 5330, 6266, 6355, 7471, 8060, 9640, 9881, 10168, 10660, 12532, 12710, 14942, 15665, 16120, 16523, 19762, 21320, 25064, 25420, 29884, 31330, 33046, 37355, 39524, 49405, 50840, 59768, 62660, 66092, 74710, 79048, 82615, 97123, 98810, 125320, 128453, 132184, 149420, 165230, 194246, 197620, 256906, 298840, 306311, 330460, 388492, 395240, 485615, 513812, 612622, 642265, 660920, 776984, 971230, 1027624, 1225244, 1284530, 1531555, 1942460, 2450488, 2569060, 3063110, 3884920, 3982043, 5138120, 6126220, 7964086, 12252440, 15928172, 19910215, 31856344, 39820430, 79640860, 159281720]

約数ペア:

[(1, 159281720), (2, 79640860), (4, 39820430), (5, 31856344), (8, 19910215), (10, 15928172), (13, 12252440), (20, 7964086), (26, 6126220), (31, 5138120), (40, 3982043), (41, 3884920), (52, 3063110), (62, 2569060), (65, 2450488), (82, 1942460), (104, 1531555), (124, 1284530), (130, 1225244), (155, 1027624), (164, 971230), (205, 776984), (241, 660920), (248, 642265), (260, 612622), (310, 513812), (328, 485615), (403, 395240), (410, 388492), (482, 330460), (520, 306311), (533, 298840), (620, 256906), (806, 197620), (820, 194246), (964, 165230), (1066, 149420), (1205, 132184), (1240, 128453), (1271, 125320), (1612, 98810), (1640, 97123), (1928, 82615), (2015, 79048), (2132, 74710), (2410, 66092), (2542, 62660), (2665, 59768), (3133, 50840), (3224, 49405), (4030, 39524), (4264, 37355), (4820, 33046), (5084, 31330), (5330, 29884), (6266, 25420), (6355, 25064), (7471, 21320), (8060, 19762), (9640, 16523), (9881, 16120), (10168, 15665), (10660, 14942), (12532, 12710)]