221520360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 702535680

約数和(自身を除く): 481015320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 83, 92, 115, 120, 138, 166, 184, 230, 249, 276, 332, 345, 415, 460, 498, 552, 664, 690, 830, 920, 967, 996, 1245, 1380, 1660, 1909, 1934, 1992, 2490, 2760, 2901, 3320, 3818, 3868, 4835, 4980, 5727, 5802, 7636, 7736, 9545, 9670, 9960, 11454, 11604, 14505, 15272, 19090, 19340, 22241, 22908, 23208, 28635, 29010, 38180, 38680, 44482, 45816, 57270, 58020, 66723, 76360, 80261, 88964, 111205, 114540, 116040, 133446, 160522, 177928, 222410, 229080, 240783, 266892, 321044, 333615, 401305, 444820, 481566, 533784, 642088, 667230, 802610, 889640, 963132, 1203915, 1334460, 1605220, 1846003, 1926264, 2407830, 2668920, 3210440, 3692006, 4815660, 5538009, 7384012, 9230015, 9631320, 11076018, 14768024, 18460030, 22152036, 27690045, 36920060, 44304072, 55380090, 73840120, 110760180, 221520360]

約数ペア:

[(1, 221520360), (2, 110760180), (3, 73840120), (4, 55380090), (5, 44304072), (6, 36920060), (8, 27690045), (10, 22152036), (12, 18460030), (15, 14768024), (20, 11076018), (23, 9631320), (24, 9230015), (30, 7384012), (40, 5538009), (46, 4815660), (60, 3692006), (69, 3210440), (83, 2668920), (92, 2407830), (115, 1926264), (120, 1846003), (138, 1605220), (166, 1334460), (184, 1203915), (230, 963132), (249, 889640), (276, 802610), (332, 667230), (345, 642088), (415, 533784), (460, 481566), (498, 444820), (552, 401305), (664, 333615), (690, 321044), (830, 266892), (920, 240783), (967, 229080), (996, 222410), (1245, 177928), (1380, 160522), (1660, 133446), (1909, 116040), (1934, 114540), (1992, 111205), (2490, 88964), (2760, 80261), (2901, 76360), (3320, 66723), (3818, 58020), (3868, 57270), (4835, 45816), (4980, 44482), (5727, 38680), (5802, 38180), (7636, 29010), (7736, 28635), (9545, 23208), (9670, 22908), (9960, 22241), (11454, 19340), (11604, 19090), (14505, 15272)]