249061140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3557}}^1$

素因数の和:3961

約数の個数: 72

約数和(自身を含む): 757640520

約数和(自身を除く): 508579380

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, 3557, 3890, 4668, 5835, 7002, 7114, 7780, 10671, 11670, 14004, 14228, 17505, 17785, 21342, 23340, 32013, 35010, 35570, 42684, 53355, 64026, 70020, 71140, 106710, 128052, 160065, 213420, 320130, 640260, 1383673, 2767346, 4151019, 5534692, 6918365, 8302038, 12453057, 13836730, 16604076, 20755095, 24906114, 27673460, 41510190, 49812228, 62265285, 83020380, 124530570, 249061140]

約数ペア:

[(1, 249061140), (2, 124530570), (3, 83020380), (4, 62265285), (5, 49812228), (6, 41510190), (9, 27673460), (10, 24906114), (12, 20755095), (15, 16604076), (18, 13836730), (20, 12453057), (30, 8302038), (36, 6918365), (45, 5534692), (60, 4151019), (90, 2767346), (180, 1383673), (389, 640260), (778, 320130), (1167, 213420), (1556, 160065), (1945, 128052), (2334, 106710), (3501, 71140), (3557, 70020), (3890, 64026), (4668, 53355), (5835, 42684), (7002, 35570), (7114, 35010), (7780, 32013), (10671, 23340), (11670, 21342), (14004, 17785), (14228, 17505)]