661174920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4603}}^1$

素因数の和:4649

約数の個数: 256

約数和(自身を含む): 2651904000

約数和(自身を除く): 1990729080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4603, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 9206, 9576, 10260, 11970, 13809, 14364, 15960, 17955, 18412, 20520, 23015, 23940, 27618, 28728, 32221, 35910, 36824, 41427, 46030, 47880, 55236, 64442, 69045, 71820, 82854, 87457, 92060, 96663, 110472, 124281, 128884, 138090, 143640, 161105, 165708, 174914, 184120, 193326, 207135, 248562, 257768, 262371, 276180, 289989, 322210, 331416, 349828, 386652, 414270, 437285, 483315, 497124, 524742, 552360, 579978, 612199, 621405, 644420, 699656, 773304, 787113, 828540, 869967, 874570, 966630, 994248, 1049484, 1159956, 1224398, 1242810, 1288840, 1311855, 1449945, 1574226, 1657080, 1739934, 1749140, 1836597, 1933260, 2098968, 2319912, 2361339, 2448796, 2485620, 2623710, 2899890, 3060995, 3148452, 3479868, 3498280, 3673194, 3866520, 3935565, 4349835, 4722678, 4897592, 4971240, 5247420, 5509791, 5799780, 6121990, 6296904, 6959736, 7346388, 7871130, 8699670, 9182985, 9445356, 10494840, 11019582, 11599560, 11806695, 12243980, 14692776, 15742260, 16529373, 17399340, 18365970, 18890712, 22039164, 23613390, 24487960, 27548955, 31484520, 33058746, 34798680, 36731940, 44078328, 47226780, 55097910, 66117492, 73463880, 82646865, 94453560, 110195820, 132234984, 165293730, 220391640, 330587460, 661174920]

約数ペア:

[(1, 661174920), (2, 330587460), (3, 220391640), (4, 165293730), (5, 132234984), (6, 110195820), (7, 94453560), (8, 82646865), (9, 73463880), (10, 66117492), (12, 55097910), (14, 47226780), (15, 44078328), (18, 36731940), (19, 34798680), (20, 33058746), (21, 31484520), (24, 27548955), (27, 24487960), (28, 23613390), (30, 22039164), (35, 18890712), (36, 18365970), (38, 17399340), (40, 16529373), (42, 15742260), (45, 14692776), (54, 12243980), (56, 11806695), (57, 11599560), (60, 11019582), (63, 10494840), (70, 9445356), (72, 9182985), (76, 8699670), (84, 7871130), (90, 7346388), (95, 6959736), (105, 6296904), (108, 6121990), (114, 5799780), (120, 5509791), (126, 5247420), (133, 4971240), (135, 4897592), (140, 4722678), (152, 4349835), (168, 3935565), (171, 3866520), (180, 3673194), (189, 3498280), (190, 3479868), (210, 3148452), (216, 3060995), (228, 2899890), (252, 2623710), (266, 2485620), (270, 2448796), (280, 2361339), (285, 2319912), (315, 2098968), (342, 1933260), (360, 1836597), (378, 1749140), (380, 1739934), (399, 1657080), (420, 1574226), (456, 1449945), (504, 1311855), (513, 1288840), (532, 1242810), (540, 1224398), (570, 1159956), (630, 1049484), (665, 994248), (684, 966630), (756, 874570), (760, 869967), (798, 828540), (840, 787113), (855, 773304), (945, 699656), (1026, 644420), (1064, 621405), (1080, 612199), (1140, 579978), (1197, 552360), (1260, 524742), (1330, 497124), (1368, 483315), (1512, 437285), (1596, 414270), (1710, 386652), (1890, 349828), (1995, 331416), (2052, 322210), (2280, 289989), (2394, 276180), (2520, 262371), (2565, 257768), (2660, 248562), (3192, 207135), (3420, 193326), (3591, 184120), (3780, 174914), (3990, 165708), (4104, 161105), (4603, 143640), (4788, 138090), (5130, 128884), (5320, 124281), (5985, 110472), (6840, 96663), (7182, 92060), (7560, 87457), (7980, 82854), (9206, 71820), (9576, 69045), (10260, 64442), (11970, 55236), (13809, 47880), (14364, 46030), (15960, 41427), (17955, 36824), (18412, 35910), (20520, 32221), (23015, 28728), (23940, 27618)]