159600400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 404204288

約数和(自身を除く): 244603888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 61, 62, 80, 100, 122, 124, 155, 200, 211, 244, 248, 305, 310, 400, 422, 488, 496, 610, 620, 775, 844, 976, 1055, 1220, 1240, 1525, 1550, 1688, 1891, 2110, 2440, 2480, 3050, 3100, 3376, 3782, 4220, 4880, 5275, 6100, 6200, 6541, 7564, 8440, 9455, 10550, 12200, 12400, 12871, 13082, 15128, 16880, 18910, 21100, 24400, 25742, 26164, 30256, 32705, 37820, 42200, 47275, 51484, 52328, 64355, 65410, 75640, 84400, 94550, 102968, 104656, 128710, 130820, 151280, 163525, 189100, 205936, 257420, 261640, 321775, 327050, 378200, 399001, 514840, 523280, 643550, 654100, 756400, 798002, 1029680, 1287100, 1308200, 1596004, 1995005, 2574200, 2616400, 3192008, 3990010, 5148400, 6384016, 7980020, 9975025, 15960040, 19950050, 31920080, 39900100, 79800200, 159600400]

約数ペア:

[(1, 159600400), (2, 79800200), (4, 39900100), (5, 31920080), (8, 19950050), (10, 15960040), (16, 9975025), (20, 7980020), (25, 6384016), (31, 5148400), (40, 3990010), (50, 3192008), (61, 2616400), (62, 2574200), (80, 1995005), (100, 1596004), (122, 1308200), (124, 1287100), (155, 1029680), (200, 798002), (211, 756400), (244, 654100), (248, 643550), (305, 523280), (310, 514840), (400, 399001), (422, 378200), (488, 327050), (496, 321775), (610, 261640), (620, 257420), (775, 205936), (844, 189100), (976, 163525), (1055, 151280), (1220, 130820), (1240, 128710), (1525, 104656), (1550, 102968), (1688, 94550), (1891, 84400), (2110, 75640), (2440, 65410), (2480, 64355), (3050, 52328), (3100, 51484), (3376, 47275), (3782, 42200), (4220, 37820), (4880, 32705), (5275, 30256), (6100, 26164), (6200, 25742), (6541, 24400), (7564, 21100), (8440, 18910), (9455, 16880), (10550, 15128), (12200, 13082), (12400, 12871)]