865403820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{12553}}^1$

素因数の和:12951

約数の個数: 72

約数和(自身を含む): 2632121856

約数和(自身を除く): 1766718036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1915, 2298, 3447, 3830, 4596, 5745, 6894, 7660, 11490, 12553, 13788, 17235, 22980, 25106, 34470, 37659, 50212, 62765, 68940, 75318, 112977, 125530, 150636, 188295, 225954, 251060, 376590, 451908, 564885, 753180, 1129770, 2259540, 4807799, 9615598, 14423397, 19231196, 24038995, 28846794, 43270191, 48077990, 57693588, 72116985, 86540382, 96155980, 144233970, 173080764, 216350955, 288467940, 432701910, 865403820]

約数ペア:

[(1, 865403820), (2, 432701910), (3, 288467940), (4, 216350955), (5, 173080764), (6, 144233970), (9, 96155980), (10, 86540382), (12, 72116985), (15, 57693588), (18, 48077990), (20, 43270191), (30, 28846794), (36, 24038995), (45, 19231196), (60, 14423397), (90, 9615598), (180, 4807799), (383, 2259540), (766, 1129770), (1149, 753180), (1532, 564885), (1915, 451908), (2298, 376590), (3447, 251060), (3830, 225954), (4596, 188295), (5745, 150636), (6894, 125530), (7660, 112977), (11490, 75318), (12553, 68940), (13788, 62765), (17235, 50212), (22980, 37659), (25106, 34470)]