30547720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 79603200

約数和(自身を除く): 49055480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1381, 1580, 2212, 2762, 2765, 3160, 4424, 5524, 5530, 6905, 9667, 11048, 11060, 13810, 19334, 22120, 27620, 38668, 48335, 55240, 77336, 96670, 109099, 193340, 218198, 386680, 436396, 545495, 763693, 872792, 1090990, 1527386, 2181980, 3054772, 3818465, 4363960, 6109544, 7636930, 15273860, 30547720]

約数ペア:

[(1, 30547720), (2, 15273860), (4, 7636930), (5, 6109544), (7, 4363960), (8, 3818465), (10, 3054772), (14, 2181980), (20, 1527386), (28, 1090990), (35, 872792), (40, 763693), (56, 545495), (70, 436396), (79, 386680), (140, 218198), (158, 193340), (280, 109099), (316, 96670), (395, 77336), (553, 55240), (632, 48335), (790, 38668), (1106, 27620), (1381, 22120), (1580, 19334), (2212, 13810), (2762, 11060), (2765, 11048), (3160, 9667), (4424, 6905), (5524, 5530)]