71898920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2586

約数の個数: 64

約数和(自身を含む): 174320640

約数和(自身を除く): 102421720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2521, 2852, 3565, 5042, 5704, 7130, 10084, 12605, 14260, 20168, 25210, 28520, 50420, 57983, 78151, 100840, 115966, 156302, 231932, 289915, 312604, 390755, 463864, 579830, 625208, 781510, 1159660, 1563020, 1797473, 2319320, 3126040, 3594946, 7189892, 8987365, 14379784, 17974730, 35949460, 71898920]

約数ペア:

[(1, 71898920), (2, 35949460), (4, 17974730), (5, 14379784), (8, 8987365), (10, 7189892), (20, 3594946), (23, 3126040), (31, 2319320), (40, 1797473), (46, 1563020), (62, 1159660), (92, 781510), (115, 625208), (124, 579830), (155, 463864), (184, 390755), (230, 312604), (248, 289915), (310, 231932), (460, 156302), (620, 115966), (713, 100840), (920, 78151), (1240, 57983), (1426, 50420), (2521, 28520), (2852, 25210), (3565, 20168), (5042, 14260), (5704, 12605), (7130, 10084)]