217858080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^4\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 240

約数和(自身を含む): 779224320

約数和(自身を除く): 561366240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 121, 124, 132, 155, 160, 165, 176, 186, 220, 240, 242, 248, 264, 310, 330, 341, 352, 363, 372, 440, 465, 480, 484, 496, 528, 605, 620, 660, 682, 726, 744, 880, 930, 968, 992, 1023, 1056, 1210, 1240, 1320, 1331, 1364, 1452, 1488, 1705, 1760, 1815, 1860, 1936, 2046, 2420, 2480, 2640, 2662, 2728, 2904, 2976, 3410, 3630, 3720, 3751, 3872, 3993, 4092, 4840, 4960, 5115, 5280, 5324, 5456, 5808, 6655, 6820, 7260, 7440, 7502, 7986, 8184, 9680, 10230, 10648, 10912, 11253, 11616, 13310, 13640, 14520, 14641, 14880, 15004, 15972, 16368, 18755, 19360, 19965, 20460, 21296, 22506, 26620, 27280, 29040, 29282, 30008, 31944, 32736, 37510, 39930, 40920, 41261, 42592, 43923, 45012, 53240, 54560, 56265, 58080, 58564, 60016, 63888, 73205, 75020, 79860, 81840, 82522, 87846, 90024, 106480, 112530, 117128, 120032, 123783, 127776, 146410, 150040, 159720, 163680, 165044, 175692, 180048, 206305, 212960, 219615, 225060, 234256, 247566, 292820, 300080, 319440, 330088, 351384, 360096, 412610, 439230, 450120, 453871, 468512, 495132, 585640, 600160, 618915, 638880, 660176, 702768, 825220, 878460, 900240, 907742, 990264, 1171280, 1237830, 1320352, 1361613, 1405536, 1650440, 1756920, 1800480, 1815484, 1980528, 2269355, 2342560, 2475660, 2723226, 3300880, 3513840, 3630968, 3961056, 4538710, 4951320, 5446452, 6601760, 6808065, 7027680, 7261936, 9077420, 9902640, 10892904, 13616130, 14523872, 18154840, 19805280, 21785808, 27232260, 36309680, 43571616, 54464520, 72619360, 108929040, 217858080]

約数ペア:

[(1, 217858080), (2, 108929040), (3, 72619360), (4, 54464520), (5, 43571616), (6, 36309680), (8, 27232260), (10, 21785808), (11, 19805280), (12, 18154840), (15, 14523872), (16, 13616130), (20, 10892904), (22, 9902640), (24, 9077420), (30, 7261936), (31, 7027680), (32, 6808065), (33, 6601760), (40, 5446452), (44, 4951320), (48, 4538710), (55, 3961056), (60, 3630968), (62, 3513840), (66, 3300880), (80, 2723226), (88, 2475660), (93, 2342560), (96, 2269355), (110, 1980528), (120, 1815484), (121, 1800480), (124, 1756920), (132, 1650440), (155, 1405536), (160, 1361613), (165, 1320352), (176, 1237830), (186, 1171280), (220, 990264), (240, 907742), (242, 900240), (248, 878460), (264, 825220), (310, 702768), (330, 660176), (341, 638880), (352, 618915), (363, 600160), (372, 585640), (440, 495132), (465, 468512), (480, 453871), (484, 450120), (496, 439230), (528, 412610), (605, 360096), (620, 351384), (660, 330088), (682, 319440), (726, 300080), (744, 292820), (880, 247566), (930, 234256), (968, 225060), (992, 219615), (1023, 212960), (1056, 206305), (1210, 180048), (1240, 175692), (1320, 165044), (1331, 163680), (1364, 159720), (1452, 150040), (1488, 146410), (1705, 127776), (1760, 123783), (1815, 120032), (1860, 117128), (1936, 112530), (2046, 106480), (2420, 90024), (2480, 87846), (2640, 82522), (2662, 81840), (2728, 79860), (2904, 75020), (2976, 73205), (3410, 63888), (3630, 60016), (3720, 58564), (3751, 58080), (3872, 56265), (3993, 54560), (4092, 53240), (4840, 45012), (4960, 43923), (5115, 42592), (5280, 41261), (5324, 40920), (5456, 39930), (5808, 37510), (6655, 32736), (6820, 31944), (7260, 30008), (7440, 29282), (7502, 29040), (7986, 27280), (8184, 26620), (9680, 22506), (10230, 21296), (10648, 20460), (10912, 19965), (11253, 19360), (11616, 18755), (13310, 16368), (13640, 15972), (14520, 15004), (14641, 14880)]