217967640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2793

約数の個数: 128

約数和(自身を含む): 725310720

約数和(自身を除く): 507343080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 440, 488, 610, 660, 671, 732, 915, 1220, 1320, 1342, 1464, 1830, 2013, 2440, 2684, 2707, 3355, 3660, 4026, 5368, 5414, 6710, 7320, 8052, 8121, 10065, 10828, 13420, 13535, 16104, 16242, 20130, 21656, 26840, 27070, 29777, 32484, 40260, 40605, 54140, 59554, 64968, 80520, 81210, 89331, 108280, 119108, 148885, 162420, 165127, 178662, 238216, 297770, 324840, 330254, 357324, 446655, 495381, 595540, 660508, 714648, 825635, 893310, 990762, 1191080, 1321016, 1651270, 1786620, 1816397, 1981524, 2476905, 3302540, 3573240, 3632794, 3963048, 4953810, 5449191, 6605080, 7265588, 9081985, 9907620, 10898382, 14531176, 18163970, 19815240, 21796764, 27245955, 36327940, 43593528, 54491910, 72655880, 108983820, 217967640]

約数ペア:

[(1, 217967640), (2, 108983820), (3, 72655880), (4, 54491910), (5, 43593528), (6, 36327940), (8, 27245955), (10, 21796764), (11, 19815240), (12, 18163970), (15, 14531176), (20, 10898382), (22, 9907620), (24, 9081985), (30, 7265588), (33, 6605080), (40, 5449191), (44, 4953810), (55, 3963048), (60, 3632794), (61, 3573240), (66, 3302540), (88, 2476905), (110, 1981524), (120, 1816397), (122, 1786620), (132, 1651270), (165, 1321016), (183, 1191080), (220, 990762), (244, 893310), (264, 825635), (305, 714648), (330, 660508), (366, 595540), (440, 495381), (488, 446655), (610, 357324), (660, 330254), (671, 324840), (732, 297770), (915, 238216), (1220, 178662), (1320, 165127), (1342, 162420), (1464, 148885), (1830, 119108), (2013, 108280), (2440, 89331), (2684, 81210), (2707, 80520), (3355, 64968), (3660, 59554), (4026, 54140), (5368, 40605), (5414, 40260), (6710, 32484), (7320, 29777), (8052, 27070), (8121, 26840), (10065, 21656), (10828, 20130), (13420, 16242), (13535, 16104)]