164021780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:945

約数の個数: 96

約数和(自身を含む): 402361344

約数和(自身を除く): 238339564

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 130, 170, 172, 215, 221, 260, 340, 430, 442, 559, 731, 860, 863, 884, 1105, 1118, 1462, 1726, 2210, 2236, 2795, 2924, 3452, 3655, 4315, 4420, 5590, 7310, 8630, 9503, 11180, 11219, 14620, 14671, 17260, 19006, 22438, 29342, 37109, 38012, 44876, 47515, 56095, 58684, 73355, 74218, 95030, 112190, 146710, 148436, 185545, 190060, 190723, 224380, 293420, 371090, 381446, 482417, 630853, 742180, 762892, 953615, 964834, 1261706, 1907230, 1929668, 2412085, 2523412, 3154265, 3814460, 4824170, 6308530, 8201089, 9648340, 12617060, 16402178, 32804356, 41005445, 82010890, 164021780]

約数ペア:

[(1, 164021780), (2, 82010890), (4, 41005445), (5, 32804356), (10, 16402178), (13, 12617060), (17, 9648340), (20, 8201089), (26, 6308530), (34, 4824170), (43, 3814460), (52, 3154265), (65, 2523412), (68, 2412085), (85, 1929668), (86, 1907230), (130, 1261706), (170, 964834), (172, 953615), (215, 762892), (221, 742180), (260, 630853), (340, 482417), (430, 381446), (442, 371090), (559, 293420), (731, 224380), (860, 190723), (863, 190060), (884, 185545), (1105, 148436), (1118, 146710), (1462, 112190), (1726, 95030), (2210, 74218), (2236, 73355), (2795, 58684), (2924, 56095), (3452, 47515), (3655, 44876), (4315, 38012), (4420, 37109), (5590, 29342), (7310, 22438), (8630, 19006), (9503, 17260), (11180, 14671), (11219, 14620)]