64542140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 156473856

約数和(自身を除く): 91931716

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 43, 46, 52, 65, 86, 92, 115, 130, 172, 215, 230, 251, 260, 299, 430, 460, 502, 559, 598, 860, 989, 1004, 1118, 1196, 1255, 1495, 1978, 2236, 2510, 2795, 2990, 3263, 3956, 4945, 5020, 5590, 5773, 5980, 6526, 9890, 10793, 11180, 11546, 12857, 13052, 16315, 19780, 21586, 23092, 25714, 28865, 32630, 43172, 51428, 53965, 57730, 64285, 65260, 75049, 107930, 115460, 128570, 140309, 150098, 215860, 248239, 257140, 280618, 300196, 375245, 496478, 561236, 701545, 750490, 992956, 1241195, 1403090, 1500980, 2482390, 2806180, 3227107, 4964780, 6454214, 12908428, 16135535, 32271070, 64542140]

約数ペア:

[(1, 64542140), (2, 32271070), (4, 16135535), (5, 12908428), (10, 6454214), (13, 4964780), (20, 3227107), (23, 2806180), (26, 2482390), (43, 1500980), (46, 1403090), (52, 1241195), (65, 992956), (86, 750490), (92, 701545), (115, 561236), (130, 496478), (172, 375245), (215, 300196), (230, 280618), (251, 257140), (260, 248239), (299, 215860), (430, 150098), (460, 140309), (502, 128570), (559, 115460), (598, 107930), (860, 75049), (989, 65260), (1004, 64285), (1118, 57730), (1196, 53965), (1255, 51428), (1495, 43172), (1978, 32630), (2236, 28865), (2510, 25714), (2795, 23092), (2990, 21586), (3263, 19780), (3956, 16315), (4945, 13052), (5020, 12857), (5590, 11546), (5773, 11180), (5980, 10793), (6526, 9890)]