17955120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1042

約数の個数: 80

約数和(自身を含む): 56424960

約数和(自身を除く): 38469840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 947, 948, 1185, 1264, 1580, 1894, 1896, 2370, 2841, 3160, 3788, 3792, 4735, 4740, 5682, 6320, 7576, 9470, 9480, 11364, 14205, 15152, 18940, 18960, 22728, 28410, 37880, 45456, 56820, 74813, 75760, 113640, 149626, 224439, 227280, 299252, 374065, 448878, 598504, 748130, 897756, 1122195, 1197008, 1496260, 1795512, 2244390, 2992520, 3591024, 4488780, 5985040, 8977560, 17955120]

約数ペア:

[(1, 17955120), (2, 8977560), (3, 5985040), (4, 4488780), (5, 3591024), (6, 2992520), (8, 2244390), (10, 1795512), (12, 1496260), (15, 1197008), (16, 1122195), (20, 897756), (24, 748130), (30, 598504), (40, 448878), (48, 374065), (60, 299252), (79, 227280), (80, 224439), (120, 149626), (158, 113640), (237, 75760), (240, 74813), (316, 56820), (395, 45456), (474, 37880), (632, 28410), (790, 22728), (947, 18960), (948, 18940), (1185, 15152), (1264, 14205), (1580, 11364), (1894, 9480), (1896, 9470), (2370, 7576), (2841, 6320), (3160, 5682), (3788, 4740), (3792, 4735)]