317821560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^2$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 1120366080

約数和(自身を除く): 802544520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 73, 84, 105, 120, 140, 142, 146, 168, 210, 213, 219, 280, 284, 292, 355, 365, 420, 426, 438, 497, 511, 568, 584, 710, 730, 840, 852, 876, 994, 1022, 1065, 1095, 1420, 1460, 1491, 1533, 1704, 1752, 1988, 2044, 2130, 2190, 2485, 2555, 2840, 2920, 2982, 3066, 3976, 4088, 4260, 4380, 4970, 5110, 5183, 5329, 5964, 6132, 7455, 7665, 8520, 8760, 9940, 10220, 10366, 10658, 11928, 12264, 14910, 15330, 15549, 15987, 19880, 20440, 20732, 21316, 25915, 26645, 29820, 30660, 31098, 31974, 36281, 37303, 41464, 42632, 51830, 53290, 59640, 61320, 62196, 63948, 72562, 74606, 77745, 79935, 103660, 106580, 108843, 111909, 124392, 127896, 145124, 149212, 155490, 159870, 181405, 186515, 207320, 213160, 217686, 223818, 290248, 298424, 310980, 319740, 362810, 373030, 378359, 435372, 447636, 544215, 559545, 621960, 639480, 725620, 746060, 756718, 870744, 895272, 1088430, 1119090, 1135077, 1451240, 1492120, 1513436, 1891795, 2176860, 2238180, 2270154, 2648513, 3026872, 3783590, 4353720, 4476360, 4540308, 5297026, 5675385, 7567180, 7945539, 9080616, 10594052, 11350770, 13242565, 15134360, 15891078, 21188104, 22701540, 26485130, 31782156, 39727695, 45403080, 52970260, 63564312, 79455390, 105940520, 158910780, 317821560]

約数ペア:

[(1, 317821560), (2, 158910780), (3, 105940520), (4, 79455390), (5, 63564312), (6, 52970260), (7, 45403080), (8, 39727695), (10, 31782156), (12, 26485130), (14, 22701540), (15, 21188104), (20, 15891078), (21, 15134360), (24, 13242565), (28, 11350770), (30, 10594052), (35, 9080616), (40, 7945539), (42, 7567180), (56, 5675385), (60, 5297026), (70, 4540308), (71, 4476360), (73, 4353720), (84, 3783590), (105, 3026872), (120, 2648513), (140, 2270154), (142, 2238180), (146, 2176860), (168, 1891795), (210, 1513436), (213, 1492120), (219, 1451240), (280, 1135077), (284, 1119090), (292, 1088430), (355, 895272), (365, 870744), (420, 756718), (426, 746060), (438, 725620), (497, 639480), (511, 621960), (568, 559545), (584, 544215), (710, 447636), (730, 435372), (840, 378359), (852, 373030), (876, 362810), (994, 319740), (1022, 310980), (1065, 298424), (1095, 290248), (1420, 223818), (1460, 217686), (1491, 213160), (1533, 207320), (1704, 186515), (1752, 181405), (1988, 159870), (2044, 155490), (2130, 149212), (2190, 145124), (2485, 127896), (2555, 124392), (2840, 111909), (2920, 108843), (2982, 106580), (3066, 103660), (3976, 79935), (4088, 77745), (4260, 74606), (4380, 72562), (4970, 63948), (5110, 62196), (5183, 61320), (5329, 59640), (5964, 53290), (6132, 51830), (7455, 42632), (7665, 41464), (8520, 37303), (8760, 36281), (9940, 31974), (10220, 31098), (10366, 30660), (10658, 29820), (11928, 26645), (12264, 25915), (14910, 21316), (15330, 20732), (15549, 20440), (15987, 19880)]