72787820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 182020608

約数和(自身を除く): 109232788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 107, 113, 140, 172, 214, 215, 226, 301, 428, 430, 452, 535, 565, 602, 749, 791, 860, 1070, 1130, 1204, 1498, 1505, 1582, 2140, 2260, 2996, 3010, 3164, 3745, 3955, 4601, 4859, 6020, 7490, 7910, 9202, 9718, 12091, 14980, 15820, 18404, 19436, 23005, 24182, 24295, 32207, 34013, 46010, 48364, 48590, 60455, 64414, 68026, 84637, 92020, 97180, 120910, 128828, 136052, 161035, 169274, 170065, 241820, 322070, 338548, 340130, 423185, 519913, 644140, 680260, 846370, 1039826, 1692740, 2079652, 2599565, 3639391, 5199130, 7278782, 10398260, 14557564, 18196955, 36393910, 72787820]

約数ペア:

[(1, 72787820), (2, 36393910), (4, 18196955), (5, 14557564), (7, 10398260), (10, 7278782), (14, 5199130), (20, 3639391), (28, 2599565), (35, 2079652), (43, 1692740), (70, 1039826), (86, 846370), (107, 680260), (113, 644140), (140, 519913), (172, 423185), (214, 340130), (215, 338548), (226, 322070), (301, 241820), (428, 170065), (430, 169274), (452, 161035), (535, 136052), (565, 128828), (602, 120910), (749, 97180), (791, 92020), (860, 84637), (1070, 68026), (1130, 64414), (1204, 60455), (1498, 48590), (1505, 48364), (1582, 46010), (2140, 34013), (2260, 32207), (2996, 24295), (3010, 24182), (3164, 23005), (3745, 19436), (3955, 18404), (4601, 15820), (4859, 14980), (6020, 12091), (7490, 9718), (7910, 9202)]