131771980240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{433}}^1\times {\mathrm{443}}^1$

素因数の和:1197

約数の個数: 160

約数和(自身を含む): 318845592576

約数和(自身を除く): 187073612336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 277, 310, 433, 443, 496, 554, 620, 866, 886, 1108, 1240, 1385, 1732, 1772, 2165, 2215, 2216, 2480, 2770, 3464, 3544, 4330, 4430, 4432, 5540, 6928, 7088, 8587, 8660, 8860, 11080, 13423, 13733, 17174, 17320, 17720, 22160, 26846, 27466, 34348, 34640, 35440, 42935, 53692, 54932, 67115, 68665, 68696, 85870, 107384, 109864, 119941, 122711, 134230, 137330, 137392, 171740, 191819, 214768, 219728, 239882, 245422, 268460, 274660, 343480, 383638, 479764, 490844, 536920, 549320, 599705, 613555, 686960, 767276, 959095, 959528, 981688, 1073840, 1098640, 1199410, 1227110, 1534552, 1918190, 1919056, 1963376, 2398820, 2454220, 3069104, 3718171, 3804041, 3836380, 4797640, 4908440, 5946389, 7436342, 7608082, 7672760, 9595280, 9816880, 11892778, 14872684, 15216164, 15345520, 18590855, 19020205, 23785556, 29731945, 29745368, 30432328, 37181710, 38040410, 47571112, 53133863, 59463890, 59490736, 60864656, 74363420, 76080820, 95142224, 106267726, 118927780, 148726840, 152161640, 212535452, 237855560, 265669315, 297453680, 304323280, 425070904, 475711120, 531338630, 850141808, 1062677260, 1647149753, 2125354520, 3294299506, 4250709040, 6588599012, 8235748765, 13177198024, 16471497530, 26354396048, 32942995060, 65885990120, 131771980240]

約数ペア:

[(1, 131771980240), (2, 65885990120), (4, 32942995060), (5, 26354396048), (8, 16471497530), (10, 13177198024), (16, 8235748765), (20, 6588599012), (31, 4250709040), (40, 3294299506), (62, 2125354520), (80, 1647149753), (124, 1062677260), (155, 850141808), (248, 531338630), (277, 475711120), (310, 425070904), (433, 304323280), (443, 297453680), (496, 265669315), (554, 237855560), (620, 212535452), (866, 152161640), (886, 148726840), (1108, 118927780), (1240, 106267726), (1385, 95142224), (1732, 76080820), (1772, 74363420), (2165, 60864656), (2215, 59490736), (2216, 59463890), (2480, 53133863), (2770, 47571112), (3464, 38040410), (3544, 37181710), (4330, 30432328), (4430, 29745368), (4432, 29731945), (5540, 23785556), (6928, 19020205), (7088, 18590855), (8587, 15345520), (8660, 15216164), (8860, 14872684), (11080, 11892778), (13423, 9816880), (13733, 9595280), (17174, 7672760), (17320, 7608082), (17720, 7436342), (22160, 5946389), (26846, 4908440), (27466, 4797640), (34348, 3836380), (34640, 3804041), (35440, 3718171), (42935, 3069104), (53692, 2454220), (54932, 2398820), (67115, 1963376), (68665, 1919056), (68696, 1918190), (85870, 1534552), (107384, 1227110), (109864, 1199410), (119941, 1098640), (122711, 1073840), (134230, 981688), (137330, 959528), (137392, 959095), (171740, 767276), (191819, 686960), (214768, 613555), (219728, 599705), (239882, 549320), (245422, 536920), (268460, 490844), (274660, 479764), (343480, 383638)]