639796920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2134

約数の個数: 192

約数和(自身を含む): 2275996320

約数和(自身を除く): 1636199400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 53, 56, 60, 70, 84, 98, 105, 106, 120, 140, 147, 159, 168, 196, 210, 212, 245, 265, 280, 294, 318, 371, 392, 420, 424, 490, 530, 588, 636, 735, 742, 795, 840, 980, 1060, 1113, 1176, 1272, 1470, 1484, 1590, 1855, 1960, 2053, 2120, 2226, 2597, 2940, 2968, 3180, 3710, 4106, 4452, 5194, 5565, 5880, 6159, 6360, 7420, 7791, 8212, 8904, 10265, 10388, 11130, 12318, 12985, 14371, 14840, 15582, 16424, 20530, 20776, 22260, 24636, 25970, 28742, 30795, 31164, 38955, 41060, 43113, 44520, 49272, 51940, 57484, 61590, 62328, 71855, 77910, 82120, 86226, 100597, 103880, 108809, 114968, 123180, 143710, 155820, 172452, 201194, 215565, 217618, 246360, 287420, 301791, 311640, 326427, 344904, 402388, 431130, 435236, 502985, 544045, 574840, 603582, 652854, 761663, 804776, 862260, 870472, 1005970, 1088090, 1207164, 1305708, 1508955, 1523326, 1632135, 1724520, 2011940, 2176180, 2284989, 2414328, 2611416, 3017910, 3046652, 3264270, 3808315, 4023880, 4352360, 4569978, 5331641, 6035820, 6093304, 6528540, 7616630, 9139956, 10663282, 11424945, 12071640, 13057080, 15233260, 15994923, 18279912, 21326564, 22849890, 26658205, 30466520, 31989846, 42653128, 45699780, 53316410, 63979692, 79974615, 91399560, 106632820, 127959384, 159949230, 213265640, 319898460, 639796920]

約数ペア:

[(1, 639796920), (2, 319898460), (3, 213265640), (4, 159949230), (5, 127959384), (6, 106632820), (7, 91399560), (8, 79974615), (10, 63979692), (12, 53316410), (14, 45699780), (15, 42653128), (20, 31989846), (21, 30466520), (24, 26658205), (28, 22849890), (30, 21326564), (35, 18279912), (40, 15994923), (42, 15233260), (49, 13057080), (53, 12071640), (56, 11424945), (60, 10663282), (70, 9139956), (84, 7616630), (98, 6528540), (105, 6093304), (106, 6035820), (120, 5331641), (140, 4569978), (147, 4352360), (159, 4023880), (168, 3808315), (196, 3264270), (210, 3046652), (212, 3017910), (245, 2611416), (265, 2414328), (280, 2284989), (294, 2176180), (318, 2011940), (371, 1724520), (392, 1632135), (420, 1523326), (424, 1508955), (490, 1305708), (530, 1207164), (588, 1088090), (636, 1005970), (735, 870472), (742, 862260), (795, 804776), (840, 761663), (980, 652854), (1060, 603582), (1113, 574840), (1176, 544045), (1272, 502985), (1470, 435236), (1484, 431130), (1590, 402388), (1855, 344904), (1960, 326427), (2053, 311640), (2120, 301791), (2226, 287420), (2597, 246360), (2940, 217618), (2968, 215565), (3180, 201194), (3710, 172452), (4106, 155820), (4452, 143710), (5194, 123180), (5565, 114968), (5880, 108809), (6159, 103880), (6360, 100597), (7420, 86226), (7791, 82120), (8212, 77910), (8904, 71855), (10265, 62328), (10388, 61590), (11130, 57484), (12318, 51940), (12985, 49272), (14371, 44520), (14840, 43113), (15582, 41060), (16424, 38955), (20530, 31164), (20776, 30795), (22260, 28742), (24636, 25970)]