25037460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:694

約数の個数: 144

約数和(自身を含む): 89736192

約数和(自身を除く): 64698732

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 641, 651, 868, 930, 1085, 1116, 1260, 1282, 1302, 1395, 1860, 1923, 1953, 2170, 2564, 2604, 2790, 3205, 3255, 3846, 3906, 4340, 4487, 5580, 5769, 6410, 6510, 7692, 7812, 8974, 9615, 9765, 11538, 12820, 13020, 13461, 17948, 19230, 19530, 19871, 22435, 23076, 26922, 28845, 38460, 39060, 39742, 40383, 44870, 53844, 57690, 59613, 67305, 79484, 80766, 89740, 99355, 115380, 119226, 134610, 139097, 161532, 178839, 198710, 201915, 238452, 269220, 278194, 298065, 357678, 397420, 403830, 417291, 556388, 596130, 695485, 715356, 807660, 834582, 894195, 1192260, 1251873, 1390970, 1669164, 1788390, 2086455, 2503746, 2781940, 3576780, 4172910, 5007492, 6259365, 8345820, 12518730, 25037460]

約数ペア:

[(1, 25037460), (2, 12518730), (3, 8345820), (4, 6259365), (5, 5007492), (6, 4172910), (7, 3576780), (9, 2781940), (10, 2503746), (12, 2086455), (14, 1788390), (15, 1669164), (18, 1390970), (20, 1251873), (21, 1192260), (28, 894195), (30, 834582), (31, 807660), (35, 715356), (36, 695485), (42, 596130), (45, 556388), (60, 417291), (62, 403830), (63, 397420), (70, 357678), (84, 298065), (90, 278194), (93, 269220), (105, 238452), (124, 201915), (126, 198710), (140, 178839), (155, 161532), (180, 139097), (186, 134610), (210, 119226), (217, 115380), (252, 99355), (279, 89740), (310, 80766), (315, 79484), (372, 67305), (420, 59613), (434, 57690), (465, 53844), (558, 44870), (620, 40383), (630, 39742), (641, 39060), (651, 38460), (868, 28845), (930, 26922), (1085, 23076), (1116, 22435), (1260, 19871), (1282, 19530), (1302, 19230), (1395, 17948), (1860, 13461), (1923, 13020), (1953, 12820), (2170, 11538), (2564, 9765), (2604, 9615), (2790, 8974), (3205, 7812), (3255, 7692), (3846, 6510), (3906, 6410), (4340, 5769), (4487, 5580)]