15677225450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1224

約数の個数: 72

約数和(自身を含む): 30236909580

約数和(自身を除く): 14559684130

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 509, 641, 775, 961, 1018, 1282, 1550, 1922, 2545, 3205, 4805, 5090, 6410, 9610, 12725, 15779, 16025, 19871, 24025, 25450, 31558, 32050, 39742, 48050, 78895, 99355, 157790, 198710, 326269, 394475, 489149, 496775, 616001, 652538, 788950, 978298, 993550, 1232002, 1631345, 2445745, 3080005, 3262690, 4891490, 6160010, 8156725, 10114339, 12228725, 15400025, 16313450, 20228678, 24457450, 30800050, 50571695, 101143390, 252858475, 313544509, 505716950, 627089018, 1567722545, 3135445090, 7838612725, 15677225450]

約数ペア:

[(1, 15677225450), (2, 7838612725), (5, 3135445090), (10, 1567722545), (25, 627089018), (31, 505716950), (50, 313544509), (62, 252858475), (155, 101143390), (310, 50571695), (509, 30800050), (641, 24457450), (775, 20228678), (961, 16313450), (1018, 15400025), (1282, 12228725), (1550, 10114339), (1922, 8156725), (2545, 6160010), (3205, 4891490), (4805, 3262690), (5090, 3080005), (6410, 2445745), (9610, 1631345), (12725, 1232002), (15779, 993550), (16025, 978298), (19871, 788950), (24025, 652538), (25450, 616001), (31558, 496775), (32050, 489149), (39742, 394475), (48050, 326269), (78895, 198710), (99355, 157790)]