72212320

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 107413280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 79, 80, 116, 145, 158, 160, 197, 232, 290, 316, 394, 395, 464, 580, 632, 788, 790, 928, 985, 1160, 1264, 1576, 1580, 1970, 2291, 2320, 2528, 3152, 3160, 3940, 4582, 4640, 5713, 6304, 6320, 7880, 9164, 11426, 11455, 12640, 15563, 15760, 18328, 22852, 22910, 28565, 31126, 31520, 36656, 45704, 45820, 57130, 62252, 73312, 77815, 91408, 91640, 114260, 124504, 155630, 182816, 183280, 228520, 249008, 311260, 366560, 451327, 457040, 498016, 622520, 902654, 914080, 1245040, 1805308, 2256635, 2490080, 3610616, 4513270, 7221232, 9026540, 14442464, 18053080, 36106160, 72212320]

約数ペア:

[(1, 72212320), (2, 36106160), (4, 18053080), (5, 14442464), (8, 9026540), (10, 7221232), (16, 4513270), (20, 3610616), (29, 2490080), (32, 2256635), (40, 1805308), (58, 1245040), (79, 914080), (80, 902654), (116, 622520), (145, 498016), (158, 457040), (160, 451327), (197, 366560), (232, 311260), (290, 249008), (316, 228520), (394, 183280), (395, 182816), (464, 155630), (580, 124504), (632, 114260), (788, 91640), (790, 91408), (928, 77815), (985, 73312), (1160, 62252), (1264, 57130), (1576, 45820), (1580, 45704), (1970, 36656), (2291, 31520), (2320, 31126), (2528, 28565), (3152, 22910), (3160, 22852), (3940, 18328), (4582, 15760), (4640, 15563), (5713, 12640), (6304, 11455), (6320, 11426), (7880, 9164)]