201825180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1733}}^1$

素因数の和:2395

約数の個数: 72

約数和(自身を含む): 613503072

約数和(自身を除く): 411677892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1733, 1941, 2588, 3235, 3466, 3882, 5199, 5823, 6470, 6932, 7764, 8665, 9705, 10398, 11646, 12940, 15597, 17330, 19410, 20796, 23292, 25995, 29115, 31194, 34660, 38820, 51990, 58230, 62388, 77985, 103980, 116460, 155970, 311940, 1121251, 2242502, 3363753, 4485004, 5606255, 6727506, 10091259, 11212510, 13455012, 16818765, 20182518, 22425020, 33637530, 40365036, 50456295, 67275060, 100912590, 201825180]

約数ペア:

[(1, 201825180), (2, 100912590), (3, 67275060), (4, 50456295), (5, 40365036), (6, 33637530), (9, 22425020), (10, 20182518), (12, 16818765), (15, 13455012), (18, 11212510), (20, 10091259), (30, 6727506), (36, 5606255), (45, 4485004), (60, 3363753), (90, 2242502), (180, 1121251), (647, 311940), (1294, 155970), (1733, 116460), (1941, 103980), (2588, 77985), (3235, 62388), (3466, 58230), (3882, 51990), (5199, 38820), (5823, 34660), (6470, 31194), (6932, 29115), (7764, 25995), (8665, 23292), (9705, 20796), (10398, 19410), (11646, 17330), (12940, 15597)]