496426222720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1\times {\mathrm{12517}}^1$

素因数の和:14566

約数の個数: 128

約数和(自身を含む): 1225762560000

約数和(自身を除く): 729336337280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 1999, 2480, 3968, 3998, 4960, 7996, 9920, 9995, 12517, 15992, 19840, 19990, 25034, 31984, 39980, 50068, 61969, 62585, 63968, 79960, 100136, 123938, 125170, 127936, 159920, 200272, 247876, 250340, 255872, 309845, 319840, 388027, 400544, 495752, 500680, 619690, 639680, 776054, 801088, 991504, 1001360, 1239380, 1279360, 1552108, 1602176, 1940135, 1983008, 2002720, 2478760, 3104216, 3880270, 3966016, 4005440, 4957520, 6208432, 7760540, 7932032, 8010880, 9915040, 12416864, 15521080, 19830080, 24833728, 25021483, 31042160, 39660160, 49667456, 50042966, 62084320, 100085932, 124168640, 125107415, 200171864, 248337280, 250214830, 400343728, 500429660, 775665973, 800687456, 1000859320, 1551331946, 1601374912, 2001718640, 3102663892, 3202749824, 3878329865, 4003437280, 6205327784, 7756659730, 8006874560, 12410655568, 15513319460, 16013749120, 24821311136, 31026638920, 49642622272, 62053277840, 99285244544, 124106555680, 248213111360, 496426222720]

約数ペア:

[(1, 496426222720), (2, 248213111360), (4, 124106555680), (5, 99285244544), (8, 62053277840), (10, 49642622272), (16, 31026638920), (20, 24821311136), (31, 16013749120), (32, 15513319460), (40, 12410655568), (62, 8006874560), (64, 7756659730), (80, 6205327784), (124, 4003437280), (128, 3878329865), (155, 3202749824), (160, 3102663892), (248, 2001718640), (310, 1601374912), (320, 1551331946), (496, 1000859320), (620, 800687456), (640, 775665973), (992, 500429660), (1240, 400343728), (1984, 250214830), (1999, 248337280), (2480, 200171864), (3968, 125107415), (3998, 124168640), (4960, 100085932), (7996, 62084320), (9920, 50042966), (9995, 49667456), (12517, 39660160), (15992, 31042160), (19840, 25021483), (19990, 24833728), (25034, 19830080), (31984, 15521080), (39980, 12416864), (50068, 9915040), (61969, 8010880), (62585, 7932032), (63968, 7760540), (79960, 6208432), (100136, 4957520), (123938, 4005440), (125170, 3966016), (127936, 3880270), (159920, 3104216), (200272, 2478760), (247876, 2002720), (250340, 1983008), (255872, 1940135), (309845, 1602176), (319840, 1552108), (388027, 1279360), (400544, 1239380), (495752, 1001360), (500680, 991504), (619690, 801088), (639680, 776054)]