205077420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{42197}}^1$

素因数の和:42221

約数の個数: 72

約数和(自身を含む): 645123024

約数和(自身を除く): 440045604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 42197, 84394, 126591, 168788, 210985, 253182, 379773, 421970, 506364, 632955, 759546, 843940, 1139319, 1265910, 1519092, 1898865, 2278638, 2531820, 3417957, 3797730, 4557276, 5696595, 6835914, 7595460, 10253871, 11393190, 13671828, 17089785, 20507742, 22786380, 34179570, 41015484, 51269355, 68359140, 102538710, 205077420]

約数ペア:

[(1, 205077420), (2, 102538710), (3, 68359140), (4, 51269355), (5, 41015484), (6, 34179570), (9, 22786380), (10, 20507742), (12, 17089785), (15, 13671828), (18, 11393190), (20, 10253871), (27, 7595460), (30, 6835914), (36, 5696595), (45, 4557276), (54, 3797730), (60, 3417957), (81, 2531820), (90, 2278638), (108, 1898865), (135, 1519092), (162, 1265910), (180, 1139319), (243, 843940), (270, 759546), (324, 632955), (405, 506364), (486, 421970), (540, 379773), (810, 253182), (972, 210985), (1215, 168788), (1620, 126591), (2430, 84394), (4860, 42197)]