2253080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 5529600

約数和(自身を除く): 3276520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 79, 92, 115, 124, 155, 158, 184, 230, 248, 310, 316, 395, 460, 620, 632, 713, 790, 920, 1240, 1426, 1580, 1817, 2449, 2852, 3160, 3565, 3634, 4898, 5704, 7130, 7268, 9085, 9796, 12245, 14260, 14536, 18170, 19592, 24490, 28520, 36340, 48980, 56327, 72680, 97960, 112654, 225308, 281635, 450616, 563270, 1126540, 2253080]

約数ペア:

[(1, 2253080), (2, 1126540), (4, 563270), (5, 450616), (8, 281635), (10, 225308), (20, 112654), (23, 97960), (31, 72680), (40, 56327), (46, 48980), (62, 36340), (79, 28520), (92, 24490), (115, 19592), (124, 18170), (155, 14536), (158, 14260), (184, 12245), (230, 9796), (248, 9085), (310, 7268), (316, 7130), (395, 5704), (460, 4898), (620, 3634), (632, 3565), (713, 3160), (790, 2852), (920, 2449), (1240, 1817), (1426, 1580)]