30212720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 73789920

約数和(自身を除く): 43577200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 59, 74, 80, 118, 148, 173, 185, 236, 295, 296, 346, 370, 472, 590, 592, 692, 740, 865, 944, 1180, 1384, 1480, 1730, 2183, 2360, 2768, 2960, 3460, 4366, 4720, 6401, 6920, 8732, 10207, 10915, 12802, 13840, 17464, 20414, 21830, 25604, 32005, 34928, 40828, 43660, 51035, 51208, 64010, 81656, 87320, 102070, 102416, 128020, 163312, 174640, 204140, 256040, 377659, 408280, 512080, 755318, 816560, 1510636, 1888295, 3021272, 3776590, 6042544, 7553180, 15106360, 30212720]

約数ペア:

[(1, 30212720), (2, 15106360), (4, 7553180), (5, 6042544), (8, 3776590), (10, 3021272), (16, 1888295), (20, 1510636), (37, 816560), (40, 755318), (59, 512080), (74, 408280), (80, 377659), (118, 256040), (148, 204140), (173, 174640), (185, 163312), (236, 128020), (295, 102416), (296, 102070), (346, 87320), (370, 81656), (472, 64010), (590, 51208), (592, 51035), (692, 43660), (740, 40828), (865, 34928), (944, 32005), (1180, 25604), (1384, 21830), (1480, 20414), (1730, 17464), (2183, 13840), (2360, 12802), (2768, 10915), (2960, 10207), (3460, 8732), (4366, 6920), (4720, 6401)]