621453280

素因数分解:

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

素因数の和:2617

約数の個数: 144

約数和(自身を含む): 1763669376

約数和(自身を除く): 1142216096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 2170, 2480, 2557, 3038, 3472, 3920, 4340, 4960, 5114, 6076, 6944, 7595, 7840, 8680, 10228, 12152, 12785, 15190, 17360, 17899, 20456, 24304, 25570, 30380, 34720, 35798, 40912, 48608, 51140, 60760, 71596, 79267, 81824, 89495, 102280, 121520, 125293, 143192, 158534, 178990, 204560, 243040, 250586, 286384, 317068, 357980, 396335, 409120, 501172, 554869, 572768, 626465, 634136, 715960, 792670, 1002344, 1109738, 1252930, 1268272, 1431920, 1585340, 2004688, 2219476, 2505860, 2536544, 2774345, 2863840, 3170680, 3884083, 4009376, 4438952, 5011720, 5548690, 6341360, 7768166, 8877904, 10023440, 11097380, 12682720, 15536332, 17755808, 19420415, 20046880, 22194760, 31072664, 38840830, 44389520, 62145328, 77681660, 88779040, 124290656, 155363320, 310726640, 621453280]

約数ペア:

[(1, 621453280), (2, 310726640), (4, 155363320), (5, 124290656), (7, 88779040), (8, 77681660), (10, 62145328), (14, 44389520), (16, 38840830), (20, 31072664), (28, 22194760), (31, 20046880), (32, 19420415), (35, 17755808), (40, 15536332), (49, 12682720), (56, 11097380), (62, 10023440), (70, 8877904), (80, 7768166), (98, 6341360), (112, 5548690), (124, 5011720), (140, 4438952), (155, 4009376), (160, 3884083), (196, 3170680), (217, 2863840), (224, 2774345), (245, 2536544), (248, 2505860), (280, 2219476), (310, 2004688), (392, 1585340), (434, 1431920), (490, 1268272), (496, 1252930), (560, 1109738), (620, 1002344), (784, 792670), (868, 715960), (980, 634136), (992, 626465), (1085, 572768), (1120, 554869), (1240, 501172), (1519, 409120), (1568, 396335), (1736, 357980), (1960, 317068), (2170, 286384), (2480, 250586), (2557, 243040), (3038, 204560), (3472, 178990), (3920, 158534), (4340, 143192), (4960, 125293), (5114, 121520), (6076, 102280), (6944, 89495), (7595, 81824), (7840, 79267), (8680, 71596), (10228, 60760), (12152, 51140), (12785, 48608), (15190, 40912), (17360, 35798), (17899, 34720), (20456, 30380), (24304, 25570)]