40721220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{269}}^1$

素因数の和:342

約数の個数: 108

約数和(自身を含む): 128402820

約数和(自身を除く): 87681600

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 269, 290, 348, 435, 522, 538, 580, 807, 841, 870, 1044, 1076, 1305, 1345, 1614, 1682, 1740, 2421, 2523, 2610, 2690, 3228, 3364, 4035, 4205, 4842, 5046, 5220, 5380, 7569, 7801, 8070, 8410, 9684, 10092, 12105, 12615, 15138, 15602, 16140, 16820, 23403, 24210, 25230, 30276, 31204, 37845, 39005, 46806, 48420, 50460, 70209, 75690, 78010, 93612, 117015, 140418, 151380, 156020, 226229, 234030, 280836, 351045, 452458, 468060, 678687, 702090, 904916, 1131145, 1357374, 1404180, 2036061, 2262290, 2714748, 3393435, 4072122, 4524580, 6786870, 8144244, 10180305, 13573740, 20360610, 40721220]

約数ペア:

[(1, 40721220), (2, 20360610), (3, 13573740), (4, 10180305), (5, 8144244), (6, 6786870), (9, 4524580), (10, 4072122), (12, 3393435), (15, 2714748), (18, 2262290), (20, 2036061), (29, 1404180), (30, 1357374), (36, 1131145), (45, 904916), (58, 702090), (60, 678687), (87, 468060), (90, 452458), (116, 351045), (145, 280836), (174, 234030), (180, 226229), (261, 156020), (269, 151380), (290, 140418), (348, 117015), (435, 93612), (522, 78010), (538, 75690), (580, 70209), (807, 50460), (841, 48420), (870, 46806), (1044, 39005), (1076, 37845), (1305, 31204), (1345, 30276), (1614, 25230), (1682, 24210), (1740, 23403), (2421, 16820), (2523, 16140), (2610, 15602), (2690, 15138), (3228, 12615), (3364, 12105), (4035, 10092), (4205, 9684), (4842, 8410), (5046, 8070), (5220, 7801), (5380, 7569)]