161701890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 128

約数和(自身を含む): 466698240

約数和(自身を除く): 304996350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 59, 62, 70, 93, 105, 118, 155, 177, 186, 210, 217, 295, 310, 354, 413, 421, 434, 465, 590, 651, 826, 842, 885, 930, 1085, 1239, 1263, 1302, 1770, 1829, 2065, 2105, 2170, 2478, 2526, 2947, 3255, 3658, 4130, 4210, 5487, 5894, 6195, 6315, 6510, 8841, 9145, 10974, 12390, 12630, 12803, 13051, 14735, 17682, 18290, 24839, 25606, 26102, 27435, 29470, 38409, 39153, 44205, 49678, 54870, 64015, 65255, 74517, 76818, 78306, 88410, 91357, 124195, 128030, 130510, 149034, 173873, 182714, 192045, 195765, 248390, 274071, 347746, 372585, 384090, 391530, 456785, 521619, 548142, 745170, 770009, 869365, 913570, 1043238, 1370355, 1540018, 1738730, 2310027, 2608095, 2740710, 3850045, 4620054, 5216190, 5390063, 7700090, 10780126, 11550135, 16170189, 23100270, 26950315, 32340378, 53900630, 80850945, 161701890]

約数ペア:

[(1, 161701890), (2, 80850945), (3, 53900630), (5, 32340378), (6, 26950315), (7, 23100270), (10, 16170189), (14, 11550135), (15, 10780126), (21, 7700090), (30, 5390063), (31, 5216190), (35, 4620054), (42, 3850045), (59, 2740710), (62, 2608095), (70, 2310027), (93, 1738730), (105, 1540018), (118, 1370355), (155, 1043238), (177, 913570), (186, 869365), (210, 770009), (217, 745170), (295, 548142), (310, 521619), (354, 456785), (413, 391530), (421, 384090), (434, 372585), (465, 347746), (590, 274071), (651, 248390), (826, 195765), (842, 192045), (885, 182714), (930, 173873), (1085, 149034), (1239, 130510), (1263, 128030), (1302, 124195), (1770, 91357), (1829, 88410), (2065, 78306), (2105, 76818), (2170, 74517), (2478, 65255), (2526, 64015), (2947, 54870), (3255, 49678), (3658, 44205), (4130, 39153), (4210, 38409), (5487, 29470), (5894, 27435), (6195, 26102), (6315, 25606), (6510, 24839), (8841, 18290), (9145, 17682), (10974, 14735), (12390, 13051), (12630, 12803)]