1902664680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2357}}^1$

素因数の和:2440

約数の個数: 192

約数和(自身を含む): 6743502720

約数和(自身を除く): 4840838040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 961, 1085, 1240, 1302, 1736, 1860, 1922, 2170, 2357, 2604, 2883, 3255, 3720, 3844, 4340, 4714, 4805, 5208, 5766, 6510, 6727, 7071, 7688, 8680, 9428, 9610, 11532, 11785, 13020, 13454, 14142, 14415, 16499, 18856, 19220, 20181, 23064, 23570, 26040, 26908, 28284, 28830, 32998, 33635, 35355, 38440, 40362, 47140, 49497, 53816, 56568, 57660, 65996, 67270, 70710, 73067, 80724, 82495, 94280, 98994, 100905, 115320, 131992, 134540, 141420, 146134, 161448, 164990, 197988, 201810, 219201, 247485, 269080, 282840, 292268, 329980, 365335, 395976, 403620, 438402, 494970, 511469, 584536, 659960, 730670, 807240, 876804, 989940, 1022938, 1096005, 1461340, 1534407, 1753608, 1979880, 2045876, 2192010, 2265077, 2557345, 2922680, 3068814, 4091752, 4384020, 4530154, 5114690, 6137628, 6795231, 7672035, 8768040, 9060308, 10229380, 11325385, 12275256, 13590462, 15344070, 15855539, 18120616, 20458760, 22650770, 27180924, 30688140, 31711078, 33976155, 45301540, 47566617, 54361848, 61376280, 63422156, 67952310, 79277695, 90603080, 95133234, 126844312, 135904620, 158555390, 190266468, 237833085, 271809240, 317110780, 380532936, 475666170, 634221560, 951332340, 1902664680]

約数ペア:

[(1, 1902664680), (2, 951332340), (3, 634221560), (4, 475666170), (5, 380532936), (6, 317110780), (7, 271809240), (8, 237833085), (10, 190266468), (12, 158555390), (14, 135904620), (15, 126844312), (20, 95133234), (21, 90603080), (24, 79277695), (28, 67952310), (30, 63422156), (31, 61376280), (35, 54361848), (40, 47566617), (42, 45301540), (56, 33976155), (60, 31711078), (62, 30688140), (70, 27180924), (84, 22650770), (93, 20458760), (105, 18120616), (120, 15855539), (124, 15344070), (140, 13590462), (155, 12275256), (168, 11325385), (186, 10229380), (210, 9060308), (217, 8768040), (248, 7672035), (280, 6795231), (310, 6137628), (372, 5114690), (420, 4530154), (434, 4384020), (465, 4091752), (620, 3068814), (651, 2922680), (744, 2557345), (840, 2265077), (868, 2192010), (930, 2045876), (961, 1979880), (1085, 1753608), (1240, 1534407), (1302, 1461340), (1736, 1096005), (1860, 1022938), (1922, 989940), (2170, 876804), (2357, 807240), (2604, 730670), (2883, 659960), (3255, 584536), (3720, 511469), (3844, 494970), (4340, 438402), (4714, 403620), (4805, 395976), (5208, 365335), (5766, 329980), (6510, 292268), (6727, 282840), (7071, 269080), (7688, 247485), (8680, 219201), (9428, 201810), (9610, 197988), (11532, 164990), (11785, 161448), (13020, 146134), (13454, 141420), (14142, 134540), (14415, 131992), (16499, 115320), (18856, 100905), (19220, 98994), (20181, 94280), (23064, 82495), (23570, 80724), (26040, 73067), (26908, 70710), (28284, 67270), (28830, 65996), (32998, 57660), (33635, 56568), (35355, 53816), (38440, 49497), (40362, 47140)]