31222980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2053

約数の個数: 72

約数和(自身を含む): 95823000

約数和(自身を除く): 64600020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 1949, 2670, 3204, 3898, 4005, 5340, 5847, 7796, 8010, 9745, 11694, 16020, 17541, 19490, 23388, 29235, 35082, 38980, 58470, 70164, 87705, 116940, 173461, 175410, 346922, 350820, 520383, 693844, 867305, 1040766, 1561149, 1734610, 2081532, 2601915, 3122298, 3469220, 5203830, 6244596, 7805745, 10407660, 15611490, 31222980]

約数ペア:

[(1, 31222980), (2, 15611490), (3, 10407660), (4, 7805745), (5, 6244596), (6, 5203830), (9, 3469220), (10, 3122298), (12, 2601915), (15, 2081532), (18, 1734610), (20, 1561149), (30, 1040766), (36, 867305), (45, 693844), (60, 520383), (89, 350820), (90, 346922), (178, 175410), (180, 173461), (267, 116940), (356, 87705), (445, 70164), (534, 58470), (801, 38980), (890, 35082), (1068, 29235), (1335, 23388), (1602, 19490), (1780, 17541), (1949, 16020), (2670, 11694), (3204, 9745), (3898, 8010), (4005, 7796), (5340, 5847)]