25811730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1951}}^1$

素因数の和:1981

約数の個数: 96

約数和(自身を含む): 80110080

約数和(自身を除く): 54298350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 1951, 2205, 2646, 3902, 4410, 5853, 6615, 9755, 11706, 13230, 13657, 17559, 19510, 27314, 29265, 35118, 40971, 52677, 58530, 68285, 81942, 87795, 95599, 105354, 122913, 136570, 175590, 191198, 204855, 245826, 263385, 286797, 368739, 409710, 477995, 526770, 573594, 614565, 737478, 860391, 955990, 1229130, 1433985, 1720782, 1843695, 2581173, 2867970, 3687390, 4301955, 5162346, 8603910, 12905865, 25811730]

約数ペア:

[(1, 25811730), (2, 12905865), (3, 8603910), (5, 5162346), (6, 4301955), (7, 3687390), (9, 2867970), (10, 2581173), (14, 1843695), (15, 1720782), (18, 1433985), (21, 1229130), (27, 955990), (30, 860391), (35, 737478), (42, 614565), (45, 573594), (49, 526770), (54, 477995), (63, 409710), (70, 368739), (90, 286797), (98, 263385), (105, 245826), (126, 204855), (135, 191198), (147, 175590), (189, 136570), (210, 122913), (245, 105354), (270, 95599), (294, 87795), (315, 81942), (378, 68285), (441, 58530), (490, 52677), (630, 40971), (735, 35118), (882, 29265), (945, 27314), (1323, 19510), (1470, 17559), (1890, 13657), (1951, 13230), (2205, 11706), (2646, 9755), (3902, 6615), (4410, 5853)]