31861480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 88646400

約数和(自身を除く): 56784920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 95, 106, 113, 133, 140, 152, 190, 212, 226, 265, 266, 280, 371, 380, 424, 452, 530, 532, 565, 665, 742, 760, 791, 904, 1007, 1060, 1064, 1130, 1330, 1484, 1582, 1855, 2014, 2120, 2147, 2260, 2660, 2968, 3164, 3710, 3955, 4028, 4294, 4520, 5035, 5320, 5989, 6328, 7049, 7420, 7910, 8056, 8588, 10070, 10735, 11978, 14098, 14840, 15029, 15820, 17176, 20140, 21470, 23956, 28196, 29945, 30058, 31640, 35245, 40280, 41923, 42940, 47912, 56392, 59890, 60116, 70490, 75145, 83846, 85880, 113791, 119780, 120232, 140980, 150290, 167692, 209615, 227582, 239560, 281960, 300580, 335384, 419230, 455164, 568955, 601160, 796537, 838460, 910328, 1137910, 1593074, 1676920, 2275820, 3186148, 3982685, 4551640, 6372296, 7965370, 15930740, 31861480]

約数ペア:

[(1, 31861480), (2, 15930740), (4, 7965370), (5, 6372296), (7, 4551640), (8, 3982685), (10, 3186148), (14, 2275820), (19, 1676920), (20, 1593074), (28, 1137910), (35, 910328), (38, 838460), (40, 796537), (53, 601160), (56, 568955), (70, 455164), (76, 419230), (95, 335384), (106, 300580), (113, 281960), (133, 239560), (140, 227582), (152, 209615), (190, 167692), (212, 150290), (226, 140980), (265, 120232), (266, 119780), (280, 113791), (371, 85880), (380, 83846), (424, 75145), (452, 70490), (530, 60116), (532, 59890), (565, 56392), (665, 47912), (742, 42940), (760, 41923), (791, 40280), (904, 35245), (1007, 31640), (1060, 30058), (1064, 29945), (1130, 28196), (1330, 23956), (1484, 21470), (1582, 20140), (1855, 17176), (2014, 15820), (2120, 15029), (2147, 14840), (2260, 14098), (2660, 11978), (2968, 10735), (3164, 10070), (3710, 8588), (3955, 8056), (4028, 7910), (4294, 7420), (4520, 7049), (5035, 6328), (5320, 5989)]