221184720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307201}}^1$

素因数の和:307220

約数の個数: 60

約数和(自身を含む): 742814436

約数和(自身を除く): 521629716

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 307201, 614402, 921603, 1228804, 1536005, 1843206, 2457608, 2764809, 3072010, 3686412, 4608015, 4915216, 5529618, 6144020, 7372824, 9216030, 11059236, 12288040, 13824045, 14745648, 18432060, 22118472, 24576080, 27648090, 36864120, 44236944, 55296180, 73728240, 110592360, 221184720]

約数ペア:

[(1, 221184720), (2, 110592360), (3, 73728240), (4, 55296180), (5, 44236944), (6, 36864120), (8, 27648090), (9, 24576080), (10, 22118472), (12, 18432060), (15, 14745648), (16, 13824045), (18, 12288040), (20, 11059236), (24, 9216030), (30, 7372824), (36, 6144020), (40, 5529618), (45, 4915216), (48, 4608015), (60, 3686412), (72, 3072010), (80, 2764809), (90, 2457608), (120, 1843206), (144, 1536005), (180, 1228804), (240, 921603), (360, 614402), (720, 307201)]