128435580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7841}}^1$

素因数の和:7876

約数の個数: 144

約数和(自身を含む): 479553984

約数和(自身を除く): 351118404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 7841, 8190, 15682, 16380, 23523, 31364, 39205, 47046, 54887, 70569, 78410, 94092, 101933, 109774, 117615, 141138, 156820, 164661, 203866, 219548, 235230, 274435, 282276, 305799, 329322, 352845, 407732, 470460, 493983, 509665, 548870, 611598, 658644, 705690, 713531, 823305, 917397, 987966, 1019330, 1097740, 1223196, 1411380, 1427062, 1528995, 1646610, 1834794, 1975932, 2038660, 2140593, 2469915, 2854124, 3057990, 3293220, 3567655, 3669588, 4281186, 4586985, 4939830, 6115980, 6421779, 7135310, 8562372, 9173970, 9879660, 10702965, 12843558, 14270620, 18347940, 21405930, 25687116, 32108895, 42811860, 64217790, 128435580]

約数ペア:

[(1, 128435580), (2, 64217790), (3, 42811860), (4, 32108895), (5, 25687116), (6, 21405930), (7, 18347940), (9, 14270620), (10, 12843558), (12, 10702965), (13, 9879660), (14, 9173970), (15, 8562372), (18, 7135310), (20, 6421779), (21, 6115980), (26, 4939830), (28, 4586985), (30, 4281186), (35, 3669588), (36, 3567655), (39, 3293220), (42, 3057990), (45, 2854124), (52, 2469915), (60, 2140593), (63, 2038660), (65, 1975932), (70, 1834794), (78, 1646610), (84, 1528995), (90, 1427062), (91, 1411380), (105, 1223196), (117, 1097740), (126, 1019330), (130, 987966), (140, 917397), (156, 823305), (180, 713531), (182, 705690), (195, 658644), (210, 611598), (234, 548870), (252, 509665), (260, 493983), (273, 470460), (315, 407732), (364, 352845), (390, 329322), (420, 305799), (455, 282276), (468, 274435), (546, 235230), (585, 219548), (630, 203866), (780, 164661), (819, 156820), (910, 141138), (1092, 117615), (1170, 109774), (1260, 101933), (1365, 94092), (1638, 78410), (1820, 70569), (2340, 54887), (2730, 47046), (3276, 39205), (4095, 31364), (5460, 23523), (7841, 16380), (8190, 15682)]