81445050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^2$

素因数の和:205

約数の個数: 108

約数和(自身を含む): 229262670

約数和(自身を除く): 147817620

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 79, 87, 90, 145, 150, 158, 174, 225, 237, 261, 290, 395, 435, 450, 474, 522, 711, 725, 790, 870, 1185, 1305, 1422, 1450, 1975, 2175, 2291, 2370, 2610, 3555, 3950, 4350, 4582, 5925, 6241, 6525, 6873, 7110, 11455, 11850, 12482, 13050, 13746, 17775, 18723, 20619, 22910, 31205, 34365, 35550, 37446, 41238, 56169, 57275, 62410, 68730, 93615, 103095, 112338, 114550, 156025, 171825, 180989, 187230, 206190, 280845, 312050, 343650, 361978, 468075, 515475, 542967, 561690, 904945, 936150, 1030950, 1085934, 1404225, 1628901, 1809890, 2714835, 2808450, 3257802, 4524725, 5429670, 8144505, 9049450, 13574175, 16289010, 27148350, 40722525, 81445050]

約数ペア:

[(1, 81445050), (2, 40722525), (3, 27148350), (5, 16289010), (6, 13574175), (9, 9049450), (10, 8144505), (15, 5429670), (18, 4524725), (25, 3257802), (29, 2808450), (30, 2714835), (45, 1809890), (50, 1628901), (58, 1404225), (75, 1085934), (79, 1030950), (87, 936150), (90, 904945), (145, 561690), (150, 542967), (158, 515475), (174, 468075), (225, 361978), (237, 343650), (261, 312050), (290, 280845), (395, 206190), (435, 187230), (450, 180989), (474, 171825), (522, 156025), (711, 114550), (725, 112338), (790, 103095), (870, 93615), (1185, 68730), (1305, 62410), (1422, 57275), (1450, 56169), (1975, 41238), (2175, 37446), (2291, 35550), (2370, 34365), (2610, 31205), (3555, 22910), (3950, 20619), (4350, 18723), (4582, 17775), (5925, 13746), (6241, 13050), (6525, 12482), (6873, 11850), (7110, 11455)]