19891320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7207}}^1$

素因数の和:7244

約数の個数: 64

約数和(自身を含む): 62277120

約数和(自身を除く): 42385800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7207, 14414, 21621, 28828, 36035, 43242, 57656, 72070, 86484, 108105, 144140, 165761, 172968, 216210, 288280, 331522, 432420, 497283, 663044, 828805, 864840, 994566, 1326088, 1657610, 1989132, 2486415, 3315220, 3978264, 4972830, 6630440, 9945660, 19891320]

約数ペア:

[(1, 19891320), (2, 9945660), (3, 6630440), (4, 4972830), (5, 3978264), (6, 3315220), (8, 2486415), (10, 1989132), (12, 1657610), (15, 1326088), (20, 994566), (23, 864840), (24, 828805), (30, 663044), (40, 497283), (46, 432420), (60, 331522), (69, 288280), (92, 216210), (115, 172968), (120, 165761), (138, 144140), (184, 108105), (230, 86484), (276, 72070), (345, 57656), (460, 43242), (552, 36035), (690, 28828), (920, 21621), (1380, 14414), (2760, 7207)]