82905780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 252854784

約数和(自身を除く): 169949004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 53, 58, 60, 62, 87, 93, 106, 116, 124, 145, 155, 159, 174, 186, 212, 265, 290, 310, 318, 348, 372, 435, 465, 530, 580, 620, 636, 795, 841, 870, 899, 930, 1060, 1537, 1590, 1643, 1682, 1740, 1798, 1860, 2523, 2697, 3074, 3180, 3286, 3364, 3596, 4205, 4495, 4611, 4929, 5046, 5394, 6148, 6572, 7685, 8215, 8410, 8990, 9222, 9858, 10092, 10788, 12615, 13485, 15370, 16430, 16820, 17980, 18444, 19716, 23055, 24645, 25230, 26071, 26970, 30740, 32860, 44573, 46110, 47647, 49290, 50460, 52142, 53940, 78213, 89146, 92220, 95294, 98580, 104284, 130355, 133719, 142941, 156426, 178292, 190588, 222865, 238235, 260710, 267438, 285882, 312852, 391065, 445730, 476470, 521420, 534876, 571764, 668595, 714705, 782130, 891460, 952940, 1337190, 1381763, 1429410, 1564260, 2674380, 2763526, 2858820, 4145289, 5527052, 6908815, 8290578, 13817630, 16581156, 20726445, 27635260, 41452890, 82905780]

約数ペア:

[(1, 82905780), (2, 41452890), (3, 27635260), (4, 20726445), (5, 16581156), (6, 13817630), (10, 8290578), (12, 6908815), (15, 5527052), (20, 4145289), (29, 2858820), (30, 2763526), (31, 2674380), (53, 1564260), (58, 1429410), (60, 1381763), (62, 1337190), (87, 952940), (93, 891460), (106, 782130), (116, 714705), (124, 668595), (145, 571764), (155, 534876), (159, 521420), (174, 476470), (186, 445730), (212, 391065), (265, 312852), (290, 285882), (310, 267438), (318, 260710), (348, 238235), (372, 222865), (435, 190588), (465, 178292), (530, 156426), (580, 142941), (620, 133719), (636, 130355), (795, 104284), (841, 98580), (870, 95294), (899, 92220), (930, 89146), (1060, 78213), (1537, 53940), (1590, 52142), (1643, 50460), (1682, 49290), (1740, 47647), (1798, 46110), (1860, 44573), (2523, 32860), (2697, 30740), (3074, 26970), (3180, 26071), (3286, 25230), (3364, 24645), (3596, 23055), (4205, 19716), (4495, 18444), (4611, 17980), (4929, 16820), (5046, 16430), (5394, 15370), (6148, 13485), (6572, 12615), (7685, 10788), (8215, 10092), (8410, 9858), (8990, 9222)]