253149720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4003}}^1$

素因数の和:4065

約数の個数: 128

約数和(自身を含む): 830269440

約数和(自身を除く): 577119720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4003, 4216, 5270, 6324, 7905, 8006, 10540, 12009, 12648, 15810, 16012, 20015, 21080, 24018, 31620, 32024, 40030, 48036, 60045, 63240, 68051, 80060, 96072, 120090, 124093, 136102, 160120, 204153, 240180, 248186, 272204, 340255, 372279, 408306, 480360, 496372, 544408, 620465, 680510, 744558, 816612, 992744, 1020765, 1240930, 1361020, 1489116, 1633224, 1861395, 2041530, 2109581, 2481860, 2722040, 2978232, 3722790, 4083060, 4219162, 4963720, 6328743, 7445580, 8166120, 8438324, 10547905, 12657486, 14891160, 16876648, 21095810, 25314972, 31643715, 42191620, 50629944, 63287430, 84383240, 126574860, 253149720]

約数ペア:

[(1, 253149720), (2, 126574860), (3, 84383240), (4, 63287430), (5, 50629944), (6, 42191620), (8, 31643715), (10, 25314972), (12, 21095810), (15, 16876648), (17, 14891160), (20, 12657486), (24, 10547905), (30, 8438324), (31, 8166120), (34, 7445580), (40, 6328743), (51, 4963720), (60, 4219162), (62, 4083060), (68, 3722790), (85, 2978232), (93, 2722040), (102, 2481860), (120, 2109581), (124, 2041530), (136, 1861395), (155, 1633224), (170, 1489116), (186, 1361020), (204, 1240930), (248, 1020765), (255, 992744), (310, 816612), (340, 744558), (372, 680510), (408, 620465), (465, 544408), (510, 496372), (527, 480360), (620, 408306), (680, 372279), (744, 340255), (930, 272204), (1020, 248186), (1054, 240180), (1240, 204153), (1581, 160120), (1860, 136102), (2040, 124093), (2108, 120090), (2635, 96072), (3162, 80060), (3720, 68051), (4003, 63240), (4216, 60045), (5270, 48036), (6324, 40030), (7905, 32024), (8006, 31620), (10540, 24018), (12009, 21080), (12648, 20015), (15810, 16012)]