402544980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5749}}^1$

素因数の和:6153

約数の個数: 72

約数和(自身を含む): 1224405000

約数和(自身を除く): 821860020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2334, 3501, 3890, 4668, 5749, 5835, 7002, 7780, 11498, 11670, 14004, 17247, 17505, 22996, 23340, 28745, 34494, 35010, 51741, 57490, 68988, 70020, 86235, 103482, 114980, 172470, 206964, 258705, 344940, 517410, 1034820, 2236361, 4472722, 6709083, 8945444, 11181805, 13418166, 20127249, 22363610, 26836332, 33545415, 40254498, 44727220, 67090830, 80508996, 100636245, 134181660, 201272490, 402544980]

約数ペア:

[(1, 402544980), (2, 201272490), (3, 134181660), (4, 100636245), (5, 80508996), (6, 67090830), (9, 44727220), (10, 40254498), (12, 33545415), (15, 26836332), (18, 22363610), (20, 20127249), (30, 13418166), (36, 11181805), (45, 8945444), (60, 6709083), (90, 4472722), (180, 2236361), (389, 1034820), (778, 517410), (1167, 344940), (1556, 258705), (1945, 206964), (2334, 172470), (3501, 114980), (3890, 103482), (4668, 86235), (5749, 70020), (5835, 68988), (7002, 57490), (7780, 51741), (11498, 35010), (11670, 34494), (14004, 28745), (17247, 23340), (17505, 22996)]