399855360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3359}}^1$

素因数の和:3414

約数の個数: 144

約数和(自身を含む): 1318625280

約数和(自身を除く): 918769920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3359, 3720, 3840, 3968, 4960, 5952, 6718, 7440, 7936, 9920, 10077, 11904, 13436, 14880, 16795, 19840, 20154, 23808, 26872, 29760, 33590, 39680, 40308, 50385, 53744, 59520, 67180, 80616, 100770, 104129, 107488, 119040, 134360, 161232, 201540, 208258, 214976, 268720, 312387, 322464, 403080, 416516, 429952, 520645, 537440, 624774, 644928, 806160, 833032, 859904, 1041290, 1074880, 1249548, 1289856, 1561935, 1612320, 1666064, 2082580, 2149760, 2499096, 2579712, 3123870, 3224640, 3332128, 4165160, 4299520, 4998192, 6247740, 6449280, 6664256, 8330320, 9996384, 12495480, 12898560, 13328512, 16660640, 19992768, 24990960, 26657024, 33321280, 39985536, 49981920, 66642560, 79971072, 99963840, 133285120, 199927680, 399855360]

約数ペア:

[(1, 399855360), (2, 199927680), (3, 133285120), (4, 99963840), (5, 79971072), (6, 66642560), (8, 49981920), (10, 39985536), (12, 33321280), (15, 26657024), (16, 24990960), (20, 19992768), (24, 16660640), (30, 13328512), (31, 12898560), (32, 12495480), (40, 9996384), (48, 8330320), (60, 6664256), (62, 6449280), (64, 6247740), (80, 4998192), (93, 4299520), (96, 4165160), (120, 3332128), (124, 3224640), (128, 3123870), (155, 2579712), (160, 2499096), (186, 2149760), (192, 2082580), (240, 1666064), (248, 1612320), (256, 1561935), (310, 1289856), (320, 1249548), (372, 1074880), (384, 1041290), (465, 859904), (480, 833032), (496, 806160), (620, 644928), (640, 624774), (744, 537440), (768, 520645), (930, 429952), (960, 416516), (992, 403080), (1240, 322464), (1280, 312387), (1488, 268720), (1860, 214976), (1920, 208258), (1984, 201540), (2480, 161232), (2976, 134360), (3359, 119040), (3720, 107488), (3840, 104129), (3968, 100770), (4960, 80616), (5952, 67180), (6718, 59520), (7440, 53744), (7936, 50385), (9920, 40308), (10077, 39680), (11904, 33590), (13436, 29760), (14880, 26872), (16795, 23808), (19840, 20154)]