15515340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11243}}^1$

素因数の和:11278

約数の個数: 48

約数和(自身を含む): 45335808

約数和(自身を除く): 29820468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 11243, 22486, 33729, 44972, 56215, 67458, 112430, 134916, 168645, 224860, 258589, 337290, 517178, 674580, 775767, 1034356, 1292945, 1551534, 2585890, 3103068, 3878835, 5171780, 7757670, 15515340]

約数ペア:

[(1, 15515340), (2, 7757670), (3, 5171780), (4, 3878835), (5, 3103068), (6, 2585890), (10, 1551534), (12, 1292945), (15, 1034356), (20, 775767), (23, 674580), (30, 517178), (46, 337290), (60, 258589), (69, 224860), (92, 168645), (115, 134916), (138, 112430), (230, 67458), (276, 56215), (345, 44972), (460, 33729), (690, 22486), (1380, 11243)]