155228780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 393265152

約数和(自身を除く): 238036372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 124, 140, 155, 188, 217, 235, 310, 329, 434, 470, 620, 658, 761, 868, 940, 1085, 1316, 1457, 1522, 1645, 2170, 2914, 3044, 3290, 3805, 4340, 5327, 5828, 6580, 7285, 7610, 10199, 10654, 14570, 15220, 20398, 21308, 23591, 26635, 29140, 35767, 40796, 47182, 50995, 53270, 71534, 94364, 101990, 106540, 117955, 143068, 165137, 178835, 203980, 235910, 250369, 330274, 357670, 471820, 500738, 660548, 715340, 825685, 1001476, 1108777, 1251845, 1651370, 2217554, 2503690, 3302740, 4435108, 5007380, 5543885, 7761439, 11087770, 15522878, 22175540, 31045756, 38807195, 77614390, 155228780]

約数ペア:

[(1, 155228780), (2, 77614390), (4, 38807195), (5, 31045756), (7, 22175540), (10, 15522878), (14, 11087770), (20, 7761439), (28, 5543885), (31, 5007380), (35, 4435108), (47, 3302740), (62, 2503690), (70, 2217554), (94, 1651370), (124, 1251845), (140, 1108777), (155, 1001476), (188, 825685), (217, 715340), (235, 660548), (310, 500738), (329, 471820), (434, 357670), (470, 330274), (620, 250369), (658, 235910), (761, 203980), (868, 178835), (940, 165137), (1085, 143068), (1316, 117955), (1457, 106540), (1522, 101990), (1645, 94364), (2170, 71534), (2914, 53270), (3044, 50995), (3290, 47182), (3805, 40796), (4340, 35767), (5327, 29140), (5828, 26635), (6580, 23591), (7285, 21308), (7610, 20398), (10199, 15220), (10654, 14570)]