30631720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3529}}^1$

素因数の和:3578

約数の個数: 64

約数和(自身を含む): 81331200

約数和(自身を除く): 50699480

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, 434, 620, 868, 1085, 1240, 1736, 2170, 3529, 4340, 7058, 8680, 14116, 17645, 24703, 28232, 35290, 49406, 70580, 98812, 109399, 123515, 141160, 197624, 218798, 247030, 437596, 494060, 546995, 765793, 875192, 988120, 1093990, 1531586, 2187980, 3063172, 3828965, 4375960, 6126344, 7657930, 15315860, 30631720]

約数ペア:

[(1, 30631720), (2, 15315860), (4, 7657930), (5, 6126344), (7, 4375960), (8, 3828965), (10, 3063172), (14, 2187980), (20, 1531586), (28, 1093990), (31, 988120), (35, 875192), (40, 765793), (56, 546995), (62, 494060), (70, 437596), (124, 247030), (140, 218798), (155, 197624), (217, 141160), (248, 123515), (280, 109399), (310, 98812), (434, 70580), (620, 49406), (868, 35290), (1085, 28232), (1240, 24703), (1736, 17645), (2170, 14116), (3529, 8680), (4340, 7058)]