1220551480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{1033}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 2784355200

約数和(自身を除く): 1563803720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 271, 436, 542, 545, 872, 1033, 1084, 1090, 1355, 2066, 2168, 2180, 2710, 4132, 4360, 5165, 5420, 8264, 10330, 10840, 20660, 29539, 41320, 59078, 112597, 118156, 147695, 225194, 236312, 279943, 295390, 450388, 559886, 562985, 590780, 900776, 1119772, 1125970, 1181560, 1399715, 2239544, 2251940, 2799430, 4503880, 5598860, 11197720, 30513787, 61027574, 122055148, 152568935, 244110296, 305137870, 610275740, 1220551480]

約数ペア:

[(1, 1220551480), (2, 610275740), (4, 305137870), (5, 244110296), (8, 152568935), (10, 122055148), (20, 61027574), (40, 30513787), (109, 11197720), (218, 5598860), (271, 4503880), (436, 2799430), (542, 2251940), (545, 2239544), (872, 1399715), (1033, 1181560), (1084, 1125970), (1090, 1119772), (1355, 900776), (2066, 590780), (2168, 562985), (2180, 559886), (2710, 450388), (4132, 295390), (4360, 279943), (5165, 236312), (5420, 225194), (8264, 147695), (10330, 118156), (10840, 112597), (20660, 59078), (29539, 41320)]