153407840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 378411264

約数和(自身を除く): 225003424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 157, 160, 197, 248, 310, 314, 394, 496, 620, 628, 785, 788, 985, 992, 1240, 1256, 1570, 1576, 1970, 2480, 2512, 3140, 3152, 3940, 4867, 4960, 5024, 6107, 6280, 6304, 7880, 9734, 12214, 12560, 15760, 19468, 24335, 24428, 25120, 30535, 30929, 31520, 38936, 48670, 48856, 61070, 61858, 77872, 97340, 97712, 122140, 123716, 154645, 155744, 194680, 195424, 244280, 247432, 309290, 389360, 488560, 494864, 618580, 778720, 958799, 977120, 989728, 1237160, 1917598, 2474320, 3835196, 4793995, 4948640, 7670392, 9587990, 15340784, 19175980, 30681568, 38351960, 76703920, 153407840]

約数ペア:

[(1, 153407840), (2, 76703920), (4, 38351960), (5, 30681568), (8, 19175980), (10, 15340784), (16, 9587990), (20, 7670392), (31, 4948640), (32, 4793995), (40, 3835196), (62, 2474320), (80, 1917598), (124, 1237160), (155, 989728), (157, 977120), (160, 958799), (197, 778720), (248, 618580), (310, 494864), (314, 488560), (394, 389360), (496, 309290), (620, 247432), (628, 244280), (785, 195424), (788, 194680), (985, 155744), (992, 154645), (1240, 123716), (1256, 122140), (1570, 97712), (1576, 97340), (1970, 77872), (2480, 61858), (2512, 61070), (3140, 48856), (3152, 48670), (3940, 38936), (4867, 31520), (4960, 30929), (5024, 30535), (6107, 25120), (6280, 24428), (6304, 24335), (7880, 19468), (9734, 15760), (12214, 12560)]