1272700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 3281040

約数和(自身を除く): 2008340

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 89, 100, 110, 130, 143, 178, 220, 260, 275, 286, 325, 356, 445, 550, 572, 650, 715, 890, 979, 1100, 1157, 1300, 1430, 1780, 1958, 2225, 2314, 2860, 3575, 3916, 4450, 4628, 4895, 5785, 7150, 8900, 9790, 11570, 12727, 14300, 19580, 23140, 24475, 25454, 28925, 48950, 50908, 57850, 63635, 97900, 115700, 127270, 254540, 318175, 636350, 1272700]

約数ペア:

[(1, 1272700), (2, 636350), (4, 318175), (5, 254540), (10, 127270), (11, 115700), (13, 97900), (20, 63635), (22, 57850), (25, 50908), (26, 48950), (44, 28925), (50, 25454), (52, 24475), (55, 23140), (65, 19580), (89, 14300), (100, 12727), (110, 11570), (130, 9790), (143, 8900), (178, 7150), (220, 5785), (260, 4895), (275, 4628), (286, 4450), (325, 3916), (356, 3575), (445, 2860), (550, 2314), (572, 2225), (650, 1958), (715, 1780), (890, 1430), (979, 1300), (1100, 1157)]