40738860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2543}}^1$

素因数の和:2647

約数の個数: 72

約数和(自身を含む): 125012160

約数和(自身を除く): 84273300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2543, 2670, 3204, 4005, 5086, 5340, 7629, 8010, 10172, 12715, 15258, 16020, 22887, 25430, 30516, 38145, 45774, 50860, 76290, 91548, 114435, 152580, 226327, 228870, 452654, 457740, 678981, 905308, 1131635, 1357962, 2036943, 2263270, 2715924, 3394905, 4073886, 4526540, 6789810, 8147772, 10184715, 13579620, 20369430, 40738860]

約数ペア:

[(1, 40738860), (2, 20369430), (3, 13579620), (4, 10184715), (5, 8147772), (6, 6789810), (9, 4526540), (10, 4073886), (12, 3394905), (15, 2715924), (18, 2263270), (20, 2036943), (30, 1357962), (36, 1131635), (45, 905308), (60, 678981), (89, 457740), (90, 452654), (178, 228870), (180, 226327), (267, 152580), (356, 114435), (445, 91548), (534, 76290), (801, 50860), (890, 45774), (1068, 38145), (1335, 30516), (1602, 25430), (1780, 22887), (2543, 16020), (2670, 15258), (3204, 12715), (4005, 10172), (5086, 8010), (5340, 7629)]