31249080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1501

約数の個数: 96

約数和(自身を含む): 103296960

約数和(自身を除く): 72047880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1423, 1464, 1830, 2196, 2440, 2745, 2846, 3660, 4269, 4392, 5490, 5692, 7115, 7320, 8538, 10980, 11384, 12807, 14230, 17076, 21345, 21960, 25614, 28460, 34152, 42690, 51228, 56920, 64035, 85380, 86803, 102456, 128070, 170760, 173606, 256140, 260409, 347212, 434015, 512280, 520818, 694424, 781227, 868030, 1041636, 1302045, 1562454, 1736060, 2083272, 2604090, 3124908, 3472120, 3906135, 5208180, 6249816, 7812270, 10416360, 15624540, 31249080]

約数ペア:

[(1, 31249080), (2, 15624540), (3, 10416360), (4, 7812270), (5, 6249816), (6, 5208180), (8, 3906135), (9, 3472120), (10, 3124908), (12, 2604090), (15, 2083272), (18, 1736060), (20, 1562454), (24, 1302045), (30, 1041636), (36, 868030), (40, 781227), (45, 694424), (60, 520818), (61, 512280), (72, 434015), (90, 347212), (120, 260409), (122, 256140), (180, 173606), (183, 170760), (244, 128070), (305, 102456), (360, 86803), (366, 85380), (488, 64035), (549, 56920), (610, 51228), (732, 42690), (915, 34152), (1098, 28460), (1220, 25614), (1423, 21960), (1464, 21345), (1830, 17076), (2196, 14230), (2440, 12807), (2745, 11384), (2846, 10980), (3660, 8538), (4269, 7320), (4392, 7115), (5490, 5692)]