171881220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 288

約数和(自身を含む): 627419520

約数和(自身を除く): 455538300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 49, 51, 57, 60, 68, 70, 76, 84, 85, 95, 98, 102, 105, 114, 119, 133, 140, 147, 170, 181, 190, 196, 204, 210, 228, 238, 245, 255, 266, 285, 294, 323, 340, 357, 362, 380, 399, 420, 476, 490, 510, 532, 543, 570, 588, 595, 646, 665, 714, 724, 735, 798, 833, 905, 931, 969, 980, 1020, 1086, 1140, 1190, 1267, 1292, 1330, 1428, 1470, 1596, 1615, 1666, 1785, 1810, 1862, 1938, 1995, 2172, 2261, 2380, 2499, 2534, 2660, 2715, 2793, 2940, 3077, 3230, 3332, 3439, 3570, 3620, 3724, 3801, 3876, 3990, 4165, 4522, 4655, 4845, 4998, 5068, 5430, 5586, 6154, 6335, 6460, 6783, 6878, 7140, 7602, 7980, 8330, 8869, 9044, 9231, 9310, 9690, 9996, 10317, 10860, 11172, 11305, 12308, 12495, 12670, 13566, 13756, 13965, 15204, 15385, 15827, 16660, 17195, 17738, 18462, 18620, 19005, 19380, 20634, 21539, 22610, 24073, 24990, 25340, 26607, 27132, 27930, 30770, 31654, 33915, 34390, 35476, 36924, 38010, 41268, 43078, 44345, 45220, 46155, 47481, 48146, 49980, 51585, 53214, 55860, 58463, 61540, 63308, 64617, 67830, 68780, 72219, 76020, 79135, 86156, 88690, 92310, 94962, 96292, 103170, 106428, 107695, 116926, 120365, 129234, 133035, 135660, 144438, 150773, 158270, 168511, 175389, 177380, 184620, 189924, 206340, 215390, 233852, 237405, 240730, 258468, 266070, 288876, 292315, 301546, 316540, 323085, 337022, 350778, 361095, 409241, 430780, 452319, 474810, 481460, 505533, 532140, 584630, 603092, 646170, 674044, 701556, 722190, 753865, 818482, 842555, 876945, 904638, 949620, 1011066, 1169260, 1227723, 1292340, 1444380, 1507730, 1636964, 1685110, 1753890, 1809276, 2022132, 2046205, 2261595, 2455446, 2527665, 2864687, 3015460, 3370220, 3507780, 4092410, 4523190, 4910892, 5055330, 5729374, 6138615, 8184820, 8594061, 9046380, 10110660, 11458748, 12277230, 14323435, 17188122, 24554460, 28646870, 34376244, 42970305, 57293740, 85940610, 171881220]

約数ペア:

[(1, 171881220), (2, 85940610), (3, 57293740), (4, 42970305), (5, 34376244), (6, 28646870), (7, 24554460), (10, 17188122), (12, 14323435), (14, 12277230), (15, 11458748), (17, 10110660), (19, 9046380), (20, 8594061), (21, 8184820), (28, 6138615), (30, 5729374), (34, 5055330), (35, 4910892), (38, 4523190), (42, 4092410), (49, 3507780), (51, 3370220), (57, 3015460), (60, 2864687), (68, 2527665), (70, 2455446), (76, 2261595), (84, 2046205), (85, 2022132), (95, 1809276), (98, 1753890), (102, 1685110), (105, 1636964), (114, 1507730), (119, 1444380), (133, 1292340), (140, 1227723), (147, 1169260), (170, 1011066), (181, 949620), (190, 904638), (196, 876945), (204, 842555), (210, 818482), (228, 753865), (238, 722190), (245, 701556), (255, 674044), (266, 646170), (285, 603092), (294, 584630), (323, 532140), (340, 505533), (357, 481460), (362, 474810), (380, 452319), (399, 430780), (420, 409241), (476, 361095), (490, 350778), (510, 337022), (532, 323085), (543, 316540), (570, 301546), (588, 292315), (595, 288876), (646, 266070), (665, 258468), (714, 240730), (724, 237405), (735, 233852), (798, 215390), (833, 206340), (905, 189924), (931, 184620), (969, 177380), (980, 175389), (1020, 168511), (1086, 158270), (1140, 150773), (1190, 144438), (1267, 135660), (1292, 133035), (1330, 129234), (1428, 120365), (1470, 116926), (1596, 107695), (1615, 106428), (1666, 103170), (1785, 96292), (1810, 94962), (1862, 92310), (1938, 88690), (1995, 86156), (2172, 79135), (2261, 76020), (2380, 72219), (2499, 68780), (2534, 67830), (2660, 64617), (2715, 63308), (2793, 61540), (2940, 58463), (3077, 55860), (3230, 53214), (3332, 51585), (3439, 49980), (3570, 48146), (3620, 47481), (3724, 46155), (3801, 45220), (3876, 44345), (3990, 43078), (4165, 41268), (4522, 38010), (4655, 36924), (4845, 35476), (4998, 34390), (5068, 33915), (5430, 31654), (5586, 30770), (6154, 27930), (6335, 27132), (6460, 26607), (6783, 25340), (6878, 24990), (7140, 24073), (7602, 22610), (7980, 21539), (8330, 20634), (8869, 19380), (9044, 19005), (9231, 18620), (9310, 18462), (9690, 17738), (9996, 17195), (10317, 16660), (10860, 15827), (11172, 15385), (11305, 15204), (12308, 13965), (12495, 13756), (12670, 13566)]