310726640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2615

約数の個数: 120

約数和(自身を含む): 867837312

約数和(自身を除く): 557110672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 2557, 3038, 3472, 3920, 4340, 5114, 6076, 7595, 8680, 10228, 12152, 12785, 15190, 17360, 17899, 20456, 24304, 25570, 30380, 35798, 40912, 51140, 60760, 71596, 79267, 89495, 102280, 121520, 125293, 143192, 158534, 178990, 204560, 250586, 286384, 317068, 357980, 396335, 501172, 554869, 626465, 634136, 715960, 792670, 1002344, 1109738, 1252930, 1268272, 1431920, 1585340, 2004688, 2219476, 2505860, 2774345, 3170680, 3884083, 4438952, 5011720, 5548690, 6341360, 7768166, 8877904, 10023440, 11097380, 15536332, 19420415, 22194760, 31072664, 38840830, 44389520, 62145328, 77681660, 155363320, 310726640]

約数ペア:

[(1, 310726640), (2, 155363320), (4, 77681660), (5, 62145328), (7, 44389520), (8, 38840830), (10, 31072664), (14, 22194760), (16, 19420415), (20, 15536332), (28, 11097380), (31, 10023440), (35, 8877904), (40, 7768166), (49, 6341360), (56, 5548690), (62, 5011720), (70, 4438952), (80, 3884083), (98, 3170680), (112, 2774345), (124, 2505860), (140, 2219476), (155, 2004688), (196, 1585340), (217, 1431920), (245, 1268272), (248, 1252930), (280, 1109738), (310, 1002344), (392, 792670), (434, 715960), (490, 634136), (496, 626465), (560, 554869), (620, 501172), (784, 396335), (868, 357980), (980, 317068), (1085, 286384), (1240, 250586), (1519, 204560), (1736, 178990), (1960, 158534), (2170, 143192), (2480, 125293), (2557, 121520), (3038, 102280), (3472, 89495), (3920, 79267), (4340, 71596), (5114, 60760), (6076, 51140), (7595, 40912), (8680, 35798), (10228, 30380), (12152, 25570), (12785, 24304), (15190, 20456), (17360, 17899)]