148400720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4603}}^1$

素因数の和:4660

約数の個数: 80

約数和(自身を含む): 383642112

約数和(自身を除く): 235241392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4603, 6448, 8060, 9206, 16120, 18412, 23015, 32240, 36824, 46030, 59839, 73648, 92060, 119678, 142693, 184120, 239356, 285386, 299195, 368240, 478712, 570772, 598390, 713465, 957424, 1141544, 1196780, 1426930, 1855009, 2283088, 2393560, 2853860, 3710018, 4787120, 5707720, 7420036, 9275045, 11415440, 14840072, 18550090, 29680144, 37100180, 74200360, 148400720]

約数ペア:

[(1, 148400720), (2, 74200360), (4, 37100180), (5, 29680144), (8, 18550090), (10, 14840072), (13, 11415440), (16, 9275045), (20, 7420036), (26, 5707720), (31, 4787120), (40, 3710018), (52, 2853860), (62, 2393560), (65, 2283088), (80, 1855009), (104, 1426930), (124, 1196780), (130, 1141544), (155, 957424), (208, 713465), (248, 598390), (260, 570772), (310, 478712), (403, 368240), (496, 299195), (520, 285386), (620, 239356), (806, 184120), (1040, 142693), (1240, 119678), (1612, 92060), (2015, 73648), (2480, 59839), (3224, 46030), (4030, 36824), (4603, 32240), (6448, 23015), (8060, 18412), (9206, 16120)]