68916640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1994

約数の個数: 96

約数和(自身を含む): 185749200

約数和(自身を除く): 116832560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1768, 1949, 2080, 2210, 2720, 3536, 3898, 4420, 7072, 7796, 8840, 9745, 15592, 17680, 19490, 25337, 31184, 33133, 35360, 38980, 50674, 62368, 66266, 77960, 101348, 126685, 132532, 155920, 165665, 202696, 253370, 265064, 311840, 331330, 405392, 430729, 506740, 530128, 662660, 810784, 861458, 1013480, 1060256, 1325320, 1722916, 2026960, 2153645, 2650640, 3445832, 4053920, 4307290, 5301280, 6891664, 8614580, 13783328, 17229160, 34458320, 68916640]

約数ペア:

[(1, 68916640), (2, 34458320), (4, 17229160), (5, 13783328), (8, 8614580), (10, 6891664), (13, 5301280), (16, 4307290), (17, 4053920), (20, 3445832), (26, 2650640), (32, 2153645), (34, 2026960), (40, 1722916), (52, 1325320), (65, 1060256), (68, 1013480), (80, 861458), (85, 810784), (104, 662660), (130, 530128), (136, 506740), (160, 430729), (170, 405392), (208, 331330), (221, 311840), (260, 265064), (272, 253370), (340, 202696), (416, 165665), (442, 155920), (520, 132532), (544, 126685), (680, 101348), (884, 77960), (1040, 66266), (1105, 62368), (1360, 50674), (1768, 38980), (1949, 35360), (2080, 33133), (2210, 31184), (2720, 25337), (3536, 19490), (3898, 17680), (4420, 15592), (7072, 9745), (7796, 8840)]