145748980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 345461760

約数和(自身を除く): 199712780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 107, 124, 130, 155, 169, 214, 260, 310, 338, 403, 428, 535, 620, 676, 806, 845, 1070, 1391, 1612, 1690, 2015, 2140, 2197, 2782, 3317, 3380, 4030, 4394, 5239, 5564, 6634, 6955, 8060, 8788, 10478, 10985, 13268, 13910, 16585, 18083, 20956, 21970, 26195, 27820, 33170, 36166, 43121, 43940, 52390, 66340, 68107, 72332, 86242, 90415, 104780, 136214, 172484, 180830, 215605, 235079, 272428, 340535, 361660, 431210, 470158, 560573, 681070, 862420, 940316, 1121146, 1175395, 1362140, 2242292, 2350790, 2802865, 4701580, 5605730, 7287449, 11211460, 14574898, 29149796, 36437245, 72874490, 145748980]

約数ペア:

[(1, 145748980), (2, 72874490), (4, 36437245), (5, 29149796), (10, 14574898), (13, 11211460), (20, 7287449), (26, 5605730), (31, 4701580), (52, 2802865), (62, 2350790), (65, 2242292), (107, 1362140), (124, 1175395), (130, 1121146), (155, 940316), (169, 862420), (214, 681070), (260, 560573), (310, 470158), (338, 431210), (403, 361660), (428, 340535), (535, 272428), (620, 235079), (676, 215605), (806, 180830), (845, 172484), (1070, 136214), (1391, 104780), (1612, 90415), (1690, 86242), (2015, 72332), (2140, 68107), (2197, 66340), (2782, 52390), (3317, 43940), (3380, 43121), (4030, 36166), (4394, 33170), (5239, 27820), (5564, 26195), (6634, 21970), (6955, 20956), (8060, 18083), (8788, 16585), (10478, 13910), (10985, 13268)]