215859780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2153}}^1$

素因数の和:2725

約数の個数: 72

約数和(自身を含む): 656254872

約数和(自身を除く): 440395092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 1114, 1671, 2153, 2228, 2785, 3342, 4306, 5013, 5570, 6459, 6684, 8355, 8612, 10026, 10765, 11140, 12918, 16710, 19377, 20052, 21530, 25065, 25836, 32295, 33420, 38754, 43060, 50130, 64590, 77508, 96885, 100260, 129180, 193770, 387540, 1199221, 2398442, 3597663, 4796884, 5996105, 7195326, 10792989, 11992210, 14390652, 17988315, 21585978, 23984420, 35976630, 43171956, 53964945, 71953260, 107929890, 215859780]

約数ペア:

[(1, 215859780), (2, 107929890), (3, 71953260), (4, 53964945), (5, 43171956), (6, 35976630), (9, 23984420), (10, 21585978), (12, 17988315), (15, 14390652), (18, 11992210), (20, 10792989), (30, 7195326), (36, 5996105), (45, 4796884), (60, 3597663), (90, 2398442), (180, 1199221), (557, 387540), (1114, 193770), (1671, 129180), (2153, 100260), (2228, 96885), (2785, 77508), (3342, 64590), (4306, 50130), (5013, 43060), (5570, 38754), (6459, 33420), (6684, 32295), (8355, 25836), (8612, 25065), (10026, 21530), (10765, 20052), (11140, 19377), (12918, 16710)]