220858880

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 240

約数和(自身を含む): 626959872

約数和(自身を除く): 406100992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 32, 40, 44, 46, 55, 62, 64, 80, 88, 92, 110, 115, 121, 124, 128, 155, 160, 176, 184, 220, 230, 242, 248, 253, 256, 310, 320, 341, 352, 368, 440, 460, 484, 496, 506, 512, 605, 620, 640, 682, 704, 713, 736, 880, 920, 968, 992, 1012, 1210, 1240, 1265, 1280, 1364, 1408, 1426, 1472, 1705, 1760, 1840, 1936, 1984, 2024, 2420, 2480, 2530, 2560, 2728, 2783, 2816, 2852, 2944, 3410, 3520, 3565, 3680, 3751, 3872, 3968, 4048, 4840, 4960, 5060, 5456, 5566, 5632, 5704, 5888, 6820, 7040, 7130, 7360, 7502, 7744, 7843, 7936, 8096, 9680, 9920, 10120, 10912, 11132, 11408, 11776, 13640, 13915, 14080, 14260, 14720, 15004, 15488, 15686, 15872, 16192, 18755, 19360, 19840, 20240, 21824, 22264, 22816, 27280, 27830, 28160, 28520, 29440, 30008, 30976, 31372, 32384, 37510, 38720, 39215, 39680, 40480, 43648, 44528, 45632, 54560, 55660, 57040, 58880, 60016, 61952, 62744, 64768, 75020, 77440, 78430, 79360, 80960, 86273, 87296, 89056, 91264, 109120, 111320, 114080, 120032, 125488, 129536, 150040, 154880, 156860, 161920, 172546, 174592, 178112, 182528, 218240, 222640, 228160, 240064, 250976, 300080, 309760, 313720, 323840, 345092, 356224, 365056, 431365, 436480, 445280, 456320, 480128, 501952, 600160, 627440, 647680, 690184, 712448, 862730, 872960, 890560, 912640, 960256, 1003904, 1200320, 1254880, 1380368, 1424896, 1725460, 1781120, 1825280, 1920512, 2007808, 2400640, 2509760, 2760736, 3450920, 3562240, 4015616, 4801280, 5019520, 5521472, 6901840, 7124480, 9602560, 10039040, 11042944, 13803680, 20078080, 22085888, 27607360, 44171776, 55214720, 110429440, 220858880]

約数ペア:

[(1, 220858880), (2, 110429440), (4, 55214720), (5, 44171776), (8, 27607360), (10, 22085888), (11, 20078080), (16, 13803680), (20, 11042944), (22, 10039040), (23, 9602560), (31, 7124480), (32, 6901840), (40, 5521472), (44, 5019520), (46, 4801280), (55, 4015616), (62, 3562240), (64, 3450920), (80, 2760736), (88, 2509760), (92, 2400640), (110, 2007808), (115, 1920512), (121, 1825280), (124, 1781120), (128, 1725460), (155, 1424896), (160, 1380368), (176, 1254880), (184, 1200320), (220, 1003904), (230, 960256), (242, 912640), (248, 890560), (253, 872960), (256, 862730), (310, 712448), (320, 690184), (341, 647680), (352, 627440), (368, 600160), (440, 501952), (460, 480128), (484, 456320), (496, 445280), (506, 436480), (512, 431365), (605, 365056), (620, 356224), (640, 345092), (682, 323840), (704, 313720), (713, 309760), (736, 300080), (880, 250976), (920, 240064), (968, 228160), (992, 222640), (1012, 218240), (1210, 182528), (1240, 178112), (1265, 174592), (1280, 172546), (1364, 161920), (1408, 156860), (1426, 154880), (1472, 150040), (1705, 129536), (1760, 125488), (1840, 120032), (1936, 114080), (1984, 111320), (2024, 109120), (2420, 91264), (2480, 89056), (2530, 87296), (2560, 86273), (2728, 80960), (2783, 79360), (2816, 78430), (2852, 77440), (2944, 75020), (3410, 64768), (3520, 62744), (3565, 61952), (3680, 60016), (3751, 58880), (3872, 57040), (3968, 55660), (4048, 54560), (4840, 45632), (4960, 44528), (5060, 43648), (5456, 40480), (5566, 39680), (5632, 39215), (5704, 38720), (5888, 37510), (6820, 32384), (7040, 31372), (7130, 30976), (7360, 30008), (7502, 29440), (7744, 28520), (7843, 28160), (7936, 27830), (8096, 27280), (9680, 22816), (9920, 22264), (10120, 21824), (10912, 20240), (11132, 19840), (11408, 19360), (11776, 18755), (13640, 16192), (13915, 15872), (14080, 15686), (14260, 15488), (14720, 15004)]