164826740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 398635776

約数和(自身を除く): 233809036

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 43, 46, 52, 65, 86, 92, 115, 130, 172, 215, 230, 260, 299, 430, 460, 559, 598, 641, 860, 989, 1118, 1196, 1282, 1495, 1978, 2236, 2564, 2795, 2990, 3205, 3956, 4945, 5590, 5980, 6410, 8333, 9890, 11180, 12820, 12857, 14743, 16666, 19780, 25714, 27563, 29486, 33332, 41665, 51428, 55126, 58972, 64285, 73715, 83330, 110252, 128570, 137815, 147430, 166660, 191659, 257140, 275630, 294860, 358319, 383318, 551260, 633949, 716638, 766636, 958295, 1267898, 1433276, 1791595, 1916590, 2535796, 3169745, 3583190, 3833180, 6339490, 7166380, 8241337, 12678980, 16482674, 32965348, 41206685, 82413370, 164826740]

約数ペア:

[(1, 164826740), (2, 82413370), (4, 41206685), (5, 32965348), (10, 16482674), (13, 12678980), (20, 8241337), (23, 7166380), (26, 6339490), (43, 3833180), (46, 3583190), (52, 3169745), (65, 2535796), (86, 1916590), (92, 1791595), (115, 1433276), (130, 1267898), (172, 958295), (215, 766636), (230, 716638), (260, 633949), (299, 551260), (430, 383318), (460, 358319), (559, 294860), (598, 275630), (641, 257140), (860, 191659), (989, 166660), (1118, 147430), (1196, 137815), (1282, 128570), (1495, 110252), (1978, 83330), (2236, 73715), (2564, 64285), (2795, 58972), (2990, 55126), (3205, 51428), (3956, 41665), (4945, 33332), (5590, 29486), (5980, 27563), (6410, 25714), (8333, 19780), (9890, 16666), (11180, 14743), (12820, 12857)]