247738140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105871}}^1$

素因数の和:105899

約数の個数: 72

約数和(自身を含む): 809285568

約数和(自身を除く): 561547428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 105871, 211742, 317613, 423484, 529355, 635226, 952839, 1058710, 1270452, 1376323, 1588065, 1905678, 2117420, 2752646, 3176130, 3811356, 4128969, 4764195, 5505292, 6352260, 6881615, 8257938, 9528390, 12386907, 13763230, 16515876, 19056780, 20644845, 24773814, 27526460, 41289690, 49547628, 61934535, 82579380, 123869070, 247738140]

約数ペア:

[(1, 247738140), (2, 123869070), (3, 82579380), (4, 61934535), (5, 49547628), (6, 41289690), (9, 27526460), (10, 24773814), (12, 20644845), (13, 19056780), (15, 16515876), (18, 13763230), (20, 12386907), (26, 9528390), (30, 8257938), (36, 6881615), (39, 6352260), (45, 5505292), (52, 4764195), (60, 4128969), (65, 3811356), (78, 3176130), (90, 2752646), (117, 2117420), (130, 1905678), (156, 1588065), (180, 1376323), (195, 1270452), (234, 1058710), (260, 952839), (390, 635226), (468, 529355), (585, 423484), (780, 317613), (1170, 211742), (2340, 105871)]