30056860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 69896736

約数和(自身を除く): 39839876

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 181, 190, 230, 361, 362, 380, 437, 460, 722, 724, 874, 905, 1444, 1748, 1805, 1810, 2185, 3439, 3610, 3620, 4163, 4370, 6878, 7220, 8303, 8326, 8740, 13756, 16606, 16652, 17195, 20815, 33212, 34390, 41515, 41630, 65341, 68780, 79097, 83030, 83260, 130682, 158194, 166060, 261364, 316388, 326705, 395485, 653410, 790970, 1306820, 1502843, 1581940, 3005686, 6011372, 7514215, 15028430, 30056860]

約数ペア:

[(1, 30056860), (2, 15028430), (4, 7514215), (5, 6011372), (10, 3005686), (19, 1581940), (20, 1502843), (23, 1306820), (38, 790970), (46, 653410), (76, 395485), (92, 326705), (95, 316388), (115, 261364), (181, 166060), (190, 158194), (230, 130682), (361, 83260), (362, 83030), (380, 79097), (437, 68780), (460, 65341), (722, 41630), (724, 41515), (874, 34390), (905, 33212), (1444, 20815), (1748, 17195), (1805, 16652), (1810, 16606), (2185, 13756), (3439, 8740), (3610, 8326), (3620, 8303), (4163, 7220), (4370, 6878)]