256956570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3853}}^1$

素因数の和:3901

約数の個数: 128

約数和(自身を含む): 776966400

約数和(自身を除く): 520009830

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 285, 342, 351, 390, 494, 513, 570, 585, 702, 741, 855, 1026, 1170, 1235, 1482, 1710, 1755, 2223, 2470, 2565, 3510, 3705, 3853, 4446, 5130, 6669, 7410, 7706, 11115, 11559, 13338, 19265, 22230, 23118, 33345, 34677, 38530, 50089, 57795, 66690, 69354, 73207, 100178, 104031, 115590, 146414, 150267, 173385, 208062, 219621, 250445, 300534, 346770, 366035, 439242, 450801, 500890, 520155, 658863, 732070, 751335, 901602, 951691, 1040310, 1098105, 1317726, 1352403, 1502670, 1903382, 1976589, 2196210, 2254005, 2704806, 2855073, 3294315, 3953178, 4508010, 4758455, 5710146, 6588630, 6762015, 8565219, 9516910, 9882945, 13524030, 14275365, 17130438, 19765890, 25695657, 28550730, 42826095, 51391314, 85652190, 128478285, 256956570]

約数ペア:

[(1, 256956570), (2, 128478285), (3, 85652190), (5, 51391314), (6, 42826095), (9, 28550730), (10, 25695657), (13, 19765890), (15, 17130438), (18, 14275365), (19, 13524030), (26, 9882945), (27, 9516910), (30, 8565219), (38, 6762015), (39, 6588630), (45, 5710146), (54, 4758455), (57, 4508010), (65, 3953178), (78, 3294315), (90, 2855073), (95, 2704806), (114, 2254005), (117, 2196210), (130, 1976589), (135, 1903382), (171, 1502670), (190, 1352403), (195, 1317726), (234, 1098105), (247, 1040310), (270, 951691), (285, 901602), (342, 751335), (351, 732070), (390, 658863), (494, 520155), (513, 500890), (570, 450801), (585, 439242), (702, 366035), (741, 346770), (855, 300534), (1026, 250445), (1170, 219621), (1235, 208062), (1482, 173385), (1710, 150267), (1755, 146414), (2223, 115590), (2470, 104031), (2565, 100178), (3510, 73207), (3705, 69354), (3853, 66690), (4446, 57795), (5130, 50089), (6669, 38530), (7410, 34677), (7706, 33345), (11115, 23118), (11559, 22230), (13338, 19265)]