20171030175

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 38071313280

約数和(自身を除く): 17900283105

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 53, 75, 129, 139, 159, 215, 225, 265, 283, 387, 417, 477, 645, 695, 795, 849, 1075, 1251, 1325, 1415, 1935, 2085, 2279, 2385, 2547, 3225, 3475, 3975, 4245, 5977, 6255, 6837, 7075, 7367, 9675, 10425, 11395, 11925, 12169, 12735, 14999, 17931, 20511, 21225, 22101, 29885, 31275, 34185, 36507, 36835, 39337, 44997, 53793, 56975, 60845, 63675, 66303, 74995, 89655, 102555, 109521, 110505, 118011, 134991, 149425, 170925, 182535, 184175, 196685, 224985, 268965, 304225, 316781, 331515, 354033, 374975, 448275, 512775, 547605, 552525, 590055, 644957, 674955, 912675, 950343, 983425, 1124925, 1344825, 1583905, 1657575, 1691491, 1770165, 1934871, 2084861, 2738025, 2851029, 2950275, 3224785, 3374775, 4751715, 5074473, 5804613, 6254583, 7919525, 8457455, 8850825, 9674355, 10424305, 14255145, 15223419, 16123925, 18763749, 23758575, 25372365, 29023065, 31272915, 42287275, 48371775, 52121525, 71275725, 76117095, 89649023, 93818745, 126861825, 145115325, 156364575, 268947069, 380585475, 448245115, 469093725, 806841207, 1344735345, 2241225575, 4034206035, 6723676725, 20171030175]

約数ペア:

[(1, 20171030175), (3, 6723676725), (5, 4034206035), (9, 2241225575), (15, 1344735345), (25, 806841207), (43, 469093725), (45, 448245115), (53, 380585475), (75, 268947069), (129, 156364575), (139, 145115325), (159, 126861825), (215, 93818745), (225, 89649023), (265, 76117095), (283, 71275725), (387, 52121525), (417, 48371775), (477, 42287275), (645, 31272915), (695, 29023065), (795, 25372365), (849, 23758575), (1075, 18763749), (1251, 16123925), (1325, 15223419), (1415, 14255145), (1935, 10424305), (2085, 9674355), (2279, 8850825), (2385, 8457455), (2547, 7919525), (3225, 6254583), (3475, 5804613), (3975, 5074473), (4245, 4751715), (5977, 3374775), (6255, 3224785), (6837, 2950275), (7075, 2851029), (7367, 2738025), (9675, 2084861), (10425, 1934871), (11395, 1770165), (11925, 1691491), (12169, 1657575), (12735, 1583905), (14999, 1344825), (17931, 1124925), (20511, 983425), (21225, 950343), (22101, 912675), (29885, 674955), (31275, 644957), (34185, 590055), (36507, 552525), (36835, 547605), (39337, 512775), (44997, 448275), (53793, 374975), (56975, 354033), (60845, 331515), (63675, 316781), (66303, 304225), (74995, 268965), (89655, 224985), (102555, 196685), (109521, 184175), (110505, 182535), (118011, 170925), (134991, 149425)]