39978307260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{456061}}^1$

素因数の和:456563

約数の個数: 72

約数和(自身を含む): 121516807776

約数和(自身を除く): 81538500516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1948, 2435, 2922, 4383, 4870, 5844, 7305, 8766, 9740, 14610, 17532, 21915, 29220, 43830, 87660, 456061, 912122, 1368183, 1824244, 2280305, 2736366, 4104549, 4560610, 5472732, 6840915, 8209098, 9121220, 13681830, 16418196, 20522745, 27363660, 41045490, 82090980, 222101707, 444203414, 666305121, 888406828, 1110508535, 1332610242, 1998915363, 2221017070, 2665220484, 3331525605, 3997830726, 4442034140, 6663051210, 7995661452, 9994576815, 13326102420, 19989153630, 39978307260]

約数ペア:

[(1, 39978307260), (2, 19989153630), (3, 13326102420), (4, 9994576815), (5, 7995661452), (6, 6663051210), (9, 4442034140), (10, 3997830726), (12, 3331525605), (15, 2665220484), (18, 2221017070), (20, 1998915363), (30, 1332610242), (36, 1110508535), (45, 888406828), (60, 666305121), (90, 444203414), (180, 222101707), (487, 82090980), (974, 41045490), (1461, 27363660), (1948, 20522745), (2435, 16418196), (2922, 13681830), (4383, 9121220), (4870, 8209098), (5844, 6840915), (7305, 5472732), (8766, 4560610), (9740, 4104549), (14610, 2736366), (17532, 2280305), (21915, 1824244), (29220, 1368183), (43830, 912122), (87660, 456061)]