256722180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29921}}^1$

素因数の和:29957

約数の個数: 96

約数和(自身を含む): 844518528

約数和(自身を除く): 587796348

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580, 29921, 59842, 89763, 119684, 149605, 179526, 299210, 329131, 359052, 388973, 448815, 598420, 658262, 777946, 897630, 987393, 1166919, 1316524, 1555892, 1645655, 1795260, 1944865, 1974786, 2333838, 3291310, 3889730, 3949572, 4278703, 4667676, 4936965, 5834595, 6582620, 7779460, 8557406, 9873930, 11669190, 12836109, 17114812, 19747860, 21393515, 23338380, 25672218, 42787030, 51344436, 64180545, 85574060, 128361090, 256722180]

約数ペア:

[(1, 256722180), (2, 128361090), (3, 85574060), (4, 64180545), (5, 51344436), (6, 42787030), (10, 25672218), (11, 23338380), (12, 21393515), (13, 19747860), (15, 17114812), (20, 12836109), (22, 11669190), (26, 9873930), (30, 8557406), (33, 7779460), (39, 6582620), (44, 5834595), (52, 4936965), (55, 4667676), (60, 4278703), (65, 3949572), (66, 3889730), (78, 3291310), (110, 2333838), (130, 1974786), (132, 1944865), (143, 1795260), (156, 1645655), (165, 1555892), (195, 1316524), (220, 1166919), (260, 987393), (286, 897630), (330, 777946), (390, 658262), (429, 598420), (572, 448815), (660, 388973), (715, 359052), (780, 329131), (858, 299210), (1430, 179526), (1716, 149605), (2145, 119684), (2860, 89763), (4290, 59842), (8580, 29921)]