245517120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:709

約数の個数: 168

約数和(自身を含む): 851282016

約数和(自身を除く): 605764896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 163, 180, 192, 240, 288, 320, 326, 360, 480, 489, 523, 576, 652, 720, 815, 960, 978, 1046, 1304, 1440, 1467, 1569, 1630, 1956, 2092, 2445, 2608, 2615, 2880, 2934, 3138, 3260, 3912, 4184, 4707, 4890, 5216, 5230, 5868, 6276, 6520, 7335, 7824, 7845, 8368, 9414, 9780, 10432, 10460, 11736, 12552, 13040, 14670, 15648, 15690, 16736, 18828, 19560, 20920, 23472, 23535, 25104, 26080, 29340, 31296, 31380, 33472, 37656, 39120, 41840, 46944, 47070, 50208, 52160, 58680, 62760, 75312, 78240, 83680, 85249, 93888, 94140, 100416, 117360, 125520, 150624, 156480, 167360, 170498, 188280, 234720, 251040, 255747, 301248, 340996, 376560, 426245, 469440, 502080, 511494, 681992, 753120, 767241, 852490, 1022988, 1278735, 1363984, 1506240, 1534482, 1704980, 2045976, 2557470, 2727968, 3068964, 3409960, 3836205, 4091952, 5114940, 5455936, 6137928, 6819920, 7672410, 8183904, 10229880, 12275856, 13639840, 15344820, 16367808, 20459760, 24551712, 27279680, 30689640, 40919520, 49103424, 61379280, 81839040, 122758560, 245517120]

約数ペア:

[(1, 245517120), (2, 122758560), (3, 81839040), (4, 61379280), (5, 49103424), (6, 40919520), (8, 30689640), (9, 27279680), (10, 24551712), (12, 20459760), (15, 16367808), (16, 15344820), (18, 13639840), (20, 12275856), (24, 10229880), (30, 8183904), (32, 7672410), (36, 6819920), (40, 6137928), (45, 5455936), (48, 5114940), (60, 4091952), (64, 3836205), (72, 3409960), (80, 3068964), (90, 2727968), (96, 2557470), (120, 2045976), (144, 1704980), (160, 1534482), (163, 1506240), (180, 1363984), (192, 1278735), (240, 1022988), (288, 852490), (320, 767241), (326, 753120), (360, 681992), (480, 511494), (489, 502080), (523, 469440), (576, 426245), (652, 376560), (720, 340996), (815, 301248), (960, 255747), (978, 251040), (1046, 234720), (1304, 188280), (1440, 170498), (1467, 167360), (1569, 156480), (1630, 150624), (1956, 125520), (2092, 117360), (2445, 100416), (2608, 94140), (2615, 93888), (2880, 85249), (2934, 83680), (3138, 78240), (3260, 75312), (3912, 62760), (4184, 58680), (4707, 52160), (4890, 50208), (5216, 47070), (5230, 46944), (5868, 41840), (6276, 39120), (6520, 37656), (7335, 33472), (7824, 31380), (7845, 31296), (8368, 29340), (9414, 26080), (9780, 25104), (10432, 23535), (10460, 23472), (11736, 20920), (12552, 19560), (13040, 18828), (14670, 16736), (15648, 15690)]