253926540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2551}}^1$

素因数の和:2652

約数の個数: 144

約数和(自身を含む): 891770880

約数和(自身を除く): 637844340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 2212, 2370, 2551, 2765, 2844, 3318, 3555, 4740, 4977, 5102, 5530, 6636, 7110, 7653, 8295, 9954, 10204, 11060, 12755, 14220, 15306, 16590, 17857, 19908, 22959, 24885, 25510, 30612, 33180, 35714, 38265, 45918, 49770, 51020, 53571, 71428, 76530, 89285, 91836, 99540, 107142, 114795, 153060, 160713, 178570, 201529, 214284, 229590, 267855, 321426, 357140, 403058, 459180, 535710, 604587, 642852, 803565, 806116, 1007645, 1071420, 1209174, 1410703, 1607130, 1813761, 2015290, 2418348, 2821406, 3022935, 3214260, 3627522, 4030580, 4232109, 5642812, 6045870, 7053515, 7255044, 8464218, 9068805, 12091740, 12696327, 14107030, 16928436, 18137610, 21160545, 25392654, 28214060, 36275220, 42321090, 50785308, 63481635, 84642180, 126963270, 253926540]

約数ペア:

[(1, 253926540), (2, 126963270), (3, 84642180), (4, 63481635), (5, 50785308), (6, 42321090), (7, 36275220), (9, 28214060), (10, 25392654), (12, 21160545), (14, 18137610), (15, 16928436), (18, 14107030), (20, 12696327), (21, 12091740), (28, 9068805), (30, 8464218), (35, 7255044), (36, 7053515), (42, 6045870), (45, 5642812), (60, 4232109), (63, 4030580), (70, 3627522), (79, 3214260), (84, 3022935), (90, 2821406), (105, 2418348), (126, 2015290), (140, 1813761), (158, 1607130), (180, 1410703), (210, 1209174), (237, 1071420), (252, 1007645), (315, 806116), (316, 803565), (395, 642852), (420, 604587), (474, 535710), (553, 459180), (630, 403058), (711, 357140), (790, 321426), (948, 267855), (1106, 229590), (1185, 214284), (1260, 201529), (1422, 178570), (1580, 160713), (1659, 153060), (2212, 114795), (2370, 107142), (2551, 99540), (2765, 91836), (2844, 89285), (3318, 76530), (3555, 71428), (4740, 53571), (4977, 51020), (5102, 49770), (5530, 45918), (6636, 38265), (7110, 35714), (7653, 33180), (8295, 30612), (9954, 25510), (10204, 24885), (11060, 22959), (12755, 19908), (14220, 17857), (15306, 16590)]