83031660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 261817920

約数和(自身を除く): 178786260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 73, 89, 90, 142, 146, 178, 180, 213, 219, 267, 284, 292, 355, 356, 365, 426, 438, 445, 534, 639, 657, 710, 730, 801, 852, 876, 890, 1065, 1068, 1095, 1278, 1314, 1335, 1420, 1460, 1602, 1780, 2130, 2190, 2556, 2628, 2670, 3195, 3204, 3285, 4005, 4260, 4380, 5183, 5340, 6319, 6390, 6497, 6570, 8010, 10366, 12638, 12780, 12994, 13140, 15549, 16020, 18957, 19491, 20732, 25276, 25915, 25988, 31098, 31595, 32485, 37914, 38982, 46647, 51830, 56871, 58473, 62196, 63190, 64970, 75828, 77745, 77964, 93294, 94785, 97455, 103660, 113742, 116946, 126380, 129940, 155490, 186588, 189570, 194910, 227484, 233235, 233892, 284355, 292365, 310980, 379140, 389820, 461287, 466470, 568710, 584730, 922574, 932940, 1137420, 1169460, 1383861, 1845148, 2306435, 2767722, 4151583, 4612870, 5535444, 6919305, 8303166, 9225740, 13838610, 16606332, 20757915, 27677220, 41515830, 83031660]

約数ペア:

[(1, 83031660), (2, 41515830), (3, 27677220), (4, 20757915), (5, 16606332), (6, 13838610), (9, 9225740), (10, 8303166), (12, 6919305), (15, 5535444), (18, 4612870), (20, 4151583), (30, 2767722), (36, 2306435), (45, 1845148), (60, 1383861), (71, 1169460), (73, 1137420), (89, 932940), (90, 922574), (142, 584730), (146, 568710), (178, 466470), (180, 461287), (213, 389820), (219, 379140), (267, 310980), (284, 292365), (292, 284355), (355, 233892), (356, 233235), (365, 227484), (426, 194910), (438, 189570), (445, 186588), (534, 155490), (639, 129940), (657, 126380), (710, 116946), (730, 113742), (801, 103660), (852, 97455), (876, 94785), (890, 93294), (1065, 77964), (1068, 77745), (1095, 75828), (1278, 64970), (1314, 63190), (1335, 62196), (1420, 58473), (1460, 56871), (1602, 51830), (1780, 46647), (2130, 38982), (2190, 37914), (2556, 32485), (2628, 31595), (2670, 31098), (3195, 25988), (3204, 25915), (3285, 25276), (4005, 20732), (4260, 19491), (4380, 18957), (5183, 16020), (5340, 15549), (6319, 13140), (6390, 12994), (6497, 12780), (6570, 12638), (8010, 10366)]