3289720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 8755200

約数和(自身を除く): 5465480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 379, 434, 620, 758, 868, 1085, 1240, 1516, 1736, 1895, 2170, 2653, 3032, 3790, 4340, 5306, 7580, 8680, 10612, 11749, 13265, 15160, 21224, 23498, 26530, 46996, 53060, 58745, 82243, 93992, 106120, 117490, 164486, 234980, 328972, 411215, 469960, 657944, 822430, 1644860, 3289720]

約数ペア:

[(1, 3289720), (2, 1644860), (4, 822430), (5, 657944), (7, 469960), (8, 411215), (10, 328972), (14, 234980), (20, 164486), (28, 117490), (31, 106120), (35, 93992), (40, 82243), (56, 58745), (62, 53060), (70, 46996), (124, 26530), (140, 23498), (155, 21224), (217, 15160), (248, 13265), (280, 11749), (310, 10612), (379, 8680), (434, 7580), (620, 5306), (758, 4340), (868, 3790), (1085, 3032), (1240, 2653), (1516, 2170), (1736, 1895)]