144320360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 332640000

約数和(自身を除く): 188319640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 109, 158, 218, 316, 395, 419, 436, 545, 632, 790, 838, 872, 1090, 1580, 1676, 2095, 2180, 3160, 3352, 4190, 4360, 8380, 8611, 16760, 17222, 33101, 34444, 43055, 45671, 66202, 68888, 86110, 91342, 132404, 165505, 172220, 182684, 228355, 264808, 331010, 344440, 365368, 456710, 662020, 913420, 1324040, 1826840, 3608009, 7216018, 14432036, 18040045, 28864072, 36080090, 72160180, 144320360]

約数ペア:

[(1, 144320360), (2, 72160180), (4, 36080090), (5, 28864072), (8, 18040045), (10, 14432036), (20, 7216018), (40, 3608009), (79, 1826840), (109, 1324040), (158, 913420), (218, 662020), (316, 456710), (395, 365368), (419, 344440), (436, 331010), (545, 264808), (632, 228355), (790, 182684), (838, 172220), (872, 165505), (1090, 132404), (1580, 91342), (1676, 86110), (2095, 68888), (2180, 66202), (3160, 45671), (3352, 43055), (4190, 34444), (4360, 33101), (8380, 17222), (8611, 16760)]