2538280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 6220800

約数和(自身を除く): 3682520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 89, 92, 115, 124, 155, 178, 184, 230, 248, 310, 356, 445, 460, 620, 712, 713, 890, 920, 1240, 1426, 1780, 2047, 2759, 2852, 3560, 3565, 4094, 5518, 5704, 7130, 8188, 10235, 11036, 13795, 14260, 16376, 20470, 22072, 27590, 28520, 40940, 55180, 63457, 81880, 110360, 126914, 253828, 317285, 507656, 634570, 1269140, 2538280]

約数ペア:

[(1, 2538280), (2, 1269140), (4, 634570), (5, 507656), (8, 317285), (10, 253828), (20, 126914), (23, 110360), (31, 81880), (40, 63457), (46, 55180), (62, 40940), (89, 28520), (92, 27590), (115, 22072), (124, 20470), (155, 16376), (178, 14260), (184, 13795), (230, 11036), (248, 10235), (310, 8188), (356, 7130), (445, 5704), (460, 5518), (620, 4094), (712, 3565), (713, 3560), (890, 2852), (920, 2759), (1240, 2047), (1426, 1780)]