1378920960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:743

約数の個数: 240

約数和(自身を含む): 4832643816

約数和(自身を除く): 3453722856

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, 97, 120, 128, 144, 160, 180, 192, 194, 240, 256, 288, 291, 320, 360, 384, 388, 480, 485, 512, 576, 582, 617, 640, 720, 768, 776, 873, 960, 970, 1152, 1164, 1234, 1280, 1440, 1455, 1536, 1552, 1746, 1851, 1920, 1940, 2304, 2328, 2468, 2560, 2880, 2910, 3085, 3104, 3492, 3702, 3840, 3880, 4365, 4608, 4656, 4936, 5553, 5760, 5820, 6170, 6208, 6984, 7404, 7680, 7760, 8730, 9255, 9312, 9872, 11106, 11520, 11640, 12340, 12416, 13968, 14808, 15520, 17460, 18510, 18624, 19744, 22212, 23040, 23280, 24680, 24832, 27765, 27936, 29616, 31040, 34920, 37020, 37248, 39488, 44424, 46560, 49360, 49664, 55530, 55872, 59232, 59849, 62080, 69840, 74040, 74496, 78976, 88848, 93120, 98720, 111060, 111744, 118464, 119698, 124160, 139680, 148080, 148992, 157952, 177696, 179547, 186240, 197440, 222120, 223488, 236928, 239396, 248320, 279360, 296160, 299245, 315904, 355392, 359094, 372480, 394880, 444240, 446976, 473856, 478792, 538641, 558720, 592320, 598490, 710784, 718188, 744960, 789760, 888480, 897735, 947712, 957584, 1077282, 1117440, 1184640, 1196980, 1421568, 1436376, 1579520, 1776960, 1795470, 1915168, 2154564, 2234880, 2369280, 2393960, 2693205, 2843136, 2872752, 3553920, 3590940, 3830336, 4309128, 4738560, 4787920, 5386410, 5745504, 7107840, 7181880, 7660672, 8618256, 9575840, 10772820, 11491008, 14215680, 14363760, 15321344, 17236512, 19151680, 21545640, 22982016, 28727520, 30642688, 34473024, 38303360, 43091280, 45964032, 57455040, 68946048, 76606720, 86182560, 91928064, 114910080, 137892096, 153213440, 172365120, 229820160, 275784192, 344730240, 459640320, 689460480, 1378920960]

約数ペア:

[(1, 1378920960), (2, 689460480), (3, 459640320), (4, 344730240), (5, 275784192), (6, 229820160), (8, 172365120), (9, 153213440), (10, 137892096), (12, 114910080), (15, 91928064), (16, 86182560), (18, 76606720), (20, 68946048), (24, 57455040), (30, 45964032), (32, 43091280), (36, 38303360), (40, 34473024), (45, 30642688), (48, 28727520), (60, 22982016), (64, 21545640), (72, 19151680), (80, 17236512), (90, 15321344), (96, 14363760), (97, 14215680), (120, 11491008), (128, 10772820), (144, 9575840), (160, 8618256), (180, 7660672), (192, 7181880), (194, 7107840), (240, 5745504), (256, 5386410), (288, 4787920), (291, 4738560), (320, 4309128), (360, 3830336), (384, 3590940), (388, 3553920), (480, 2872752), (485, 2843136), (512, 2693205), (576, 2393960), (582, 2369280), (617, 2234880), (640, 2154564), (720, 1915168), (768, 1795470), (776, 1776960), (873, 1579520), (960, 1436376), (970, 1421568), (1152, 1196980), (1164, 1184640), (1234, 1117440), (1280, 1077282), (1440, 957584), (1455, 947712), (1536, 897735), (1552, 888480), (1746, 789760), (1851, 744960), (1920, 718188), (1940, 710784), (2304, 598490), (2328, 592320), (2468, 558720), (2560, 538641), (2880, 478792), (2910, 473856), (3085, 446976), (3104, 444240), (3492, 394880), (3702, 372480), (3840, 359094), (3880, 355392), (4365, 315904), (4608, 299245), (4656, 296160), (4936, 279360), (5553, 248320), (5760, 239396), (5820, 236928), (6170, 223488), (6208, 222120), (6984, 197440), (7404, 186240), (7680, 179547), (7760, 177696), (8730, 157952), (9255, 148992), (9312, 148080), (9872, 139680), (11106, 124160), (11520, 119698), (11640, 118464), (12340, 111744), (12416, 111060), (13968, 98720), (14808, 93120), (15520, 88848), (17460, 78976), (18510, 74496), (18624, 74040), (19744, 69840), (22212, 62080), (23040, 59849), (23280, 59232), (24680, 55872), (24832, 55530), (27765, 49664), (27936, 49360), (29616, 46560), (31040, 44424), (34920, 39488), (37020, 37248)]