268771860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1043

約数の個数: 216

約数和(自身を含む): 979969536

約数和(自身を除く): 711197676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 588, 620, 630, 651, 735, 868, 882, 930, 980, 983, 1085, 1116, 1260, 1302, 1395, 1470, 1519, 1764, 1860, 1953, 1966, 2170, 2205, 2604, 2790, 2940, 2949, 3038, 3255, 3906, 3932, 4340, 4410, 4557, 4915, 5580, 5898, 6076, 6510, 6881, 7595, 7812, 8820, 8847, 9114, 9765, 9830, 11796, 13020, 13671, 13762, 14745, 15190, 17694, 18228, 19530, 19660, 20643, 22785, 27342, 27524, 29490, 30380, 30473, 34405, 35388, 39060, 41286, 44235, 45570, 48167, 54684, 58980, 60946, 61929, 68355, 68810, 82572, 88470, 91140, 91419, 96334, 103215, 121892, 123858, 136710, 137620, 144501, 152365, 176940, 182838, 192668, 206430, 213311, 240835, 247716, 273420, 274257, 289002, 304730, 309645, 365676, 412860, 426622, 433503, 457095, 481670, 548514, 578004, 609460, 619290, 639933, 722505, 853244, 867006, 914190, 963340, 1066555, 1097028, 1238580, 1279866, 1371285, 1445010, 1493177, 1734012, 1828380, 1919799, 2133110, 2167515, 2559732, 2742570, 2890020, 2986354, 3199665, 3839598, 4266220, 4335030, 4479531, 5485140, 5972708, 6399330, 7465885, 7679196, 8670060, 8959062, 9598995, 12798660, 13438593, 14931770, 17918124, 19197990, 22397655, 26877186, 29863540, 38395980, 44795310, 53754372, 67192965, 89590620, 134385930, 268771860]

約数ペア:

[(1, 268771860), (2, 134385930), (3, 89590620), (4, 67192965), (5, 53754372), (6, 44795310), (7, 38395980), (9, 29863540), (10, 26877186), (12, 22397655), (14, 19197990), (15, 17918124), (18, 14931770), (20, 13438593), (21, 12798660), (28, 9598995), (30, 8959062), (31, 8670060), (35, 7679196), (36, 7465885), (42, 6399330), (45, 5972708), (49, 5485140), (60, 4479531), (62, 4335030), (63, 4266220), (70, 3839598), (84, 3199665), (90, 2986354), (93, 2890020), (98, 2742570), (105, 2559732), (124, 2167515), (126, 2133110), (140, 1919799), (147, 1828380), (155, 1734012), (180, 1493177), (186, 1445010), (196, 1371285), (210, 1279866), (217, 1238580), (245, 1097028), (252, 1066555), (279, 963340), (294, 914190), (310, 867006), (315, 853244), (372, 722505), (420, 639933), (434, 619290), (441, 609460), (465, 578004), (490, 548514), (558, 481670), (588, 457095), (620, 433503), (630, 426622), (651, 412860), (735, 365676), (868, 309645), (882, 304730), (930, 289002), (980, 274257), (983, 273420), (1085, 247716), (1116, 240835), (1260, 213311), (1302, 206430), (1395, 192668), (1470, 182838), (1519, 176940), (1764, 152365), (1860, 144501), (1953, 137620), (1966, 136710), (2170, 123858), (2205, 121892), (2604, 103215), (2790, 96334), (2940, 91419), (2949, 91140), (3038, 88470), (3255, 82572), (3906, 68810), (3932, 68355), (4340, 61929), (4410, 60946), (4557, 58980), (4915, 54684), (5580, 48167), (5898, 45570), (6076, 44235), (6510, 41286), (6881, 39060), (7595, 35388), (7812, 34405), (8820, 30473), (8847, 30380), (9114, 29490), (9765, 27524), (9830, 27342), (11796, 22785), (13020, 20643), (13671, 19660), (13762, 19530), (14745, 18228), (15190, 17694)]