221086680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 680140800

約数和(自身を除く): 459054120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 127, 163, 178, 254, 267, 326, 356, 381, 445, 489, 508, 534, 635, 652, 712, 762, 815, 890, 978, 1016, 1068, 1270, 1304, 1335, 1524, 1630, 1780, 1905, 1956, 2136, 2445, 2540, 2670, 3048, 3260, 3560, 3810, 3912, 4890, 5080, 5340, 6520, 7620, 9780, 10680, 11303, 14507, 15240, 19560, 20701, 22606, 29014, 33909, 41402, 43521, 45212, 56515, 58028, 62103, 67818, 72535, 82804, 87042, 90424, 103505, 113030, 116056, 124206, 135636, 145070, 165608, 169545, 174084, 207010, 217605, 226060, 248412, 271272, 290140, 310515, 339090, 348168, 414020, 435210, 452120, 496824, 580280, 621030, 678180, 828040, 870420, 1242060, 1356360, 1740840, 1842389, 2484120, 3684778, 5527167, 7369556, 9211945, 11054334, 14739112, 18423890, 22108668, 27635835, 36847780, 44217336, 55271670, 73695560, 110543340, 221086680]

約数ペア:

[(1, 221086680), (2, 110543340), (3, 73695560), (4, 55271670), (5, 44217336), (6, 36847780), (8, 27635835), (10, 22108668), (12, 18423890), (15, 14739112), (20, 11054334), (24, 9211945), (30, 7369556), (40, 5527167), (60, 3684778), (89, 2484120), (120, 1842389), (127, 1740840), (163, 1356360), (178, 1242060), (254, 870420), (267, 828040), (326, 678180), (356, 621030), (381, 580280), (445, 496824), (489, 452120), (508, 435210), (534, 414020), (635, 348168), (652, 339090), (712, 310515), (762, 290140), (815, 271272), (890, 248412), (978, 226060), (1016, 217605), (1068, 207010), (1270, 174084), (1304, 169545), (1335, 165608), (1524, 145070), (1630, 135636), (1780, 124206), (1905, 116056), (1956, 113030), (2136, 103505), (2445, 90424), (2540, 87042), (2670, 82804), (3048, 72535), (3260, 67818), (3560, 62103), (3810, 58028), (3912, 56515), (4890, 45212), (5080, 43521), (5340, 41402), (6520, 33909), (7620, 29014), (9780, 22606), (10680, 20701), (11303, 19560), (14507, 15240)]