156650680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 361584000

約数和(自身を除く): 204933320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 89, 158, 178, 316, 356, 395, 445, 557, 632, 712, 790, 890, 1114, 1580, 1780, 2228, 2785, 3160, 3560, 4456, 5570, 7031, 11140, 14062, 22280, 28124, 35155, 44003, 49573, 56248, 70310, 88006, 99146, 140620, 176012, 198292, 220015, 247865, 281240, 352024, 396584, 440030, 495730, 880060, 991460, 1760120, 1982920, 3916267, 7832534, 15665068, 19581335, 31330136, 39162670, 78325340, 156650680]

約数ペア:

[(1, 156650680), (2, 78325340), (4, 39162670), (5, 31330136), (8, 19581335), (10, 15665068), (20, 7832534), (40, 3916267), (79, 1982920), (89, 1760120), (158, 991460), (178, 880060), (316, 495730), (356, 440030), (395, 396584), (445, 352024), (557, 281240), (632, 247865), (712, 220015), (790, 198292), (890, 176012), (1114, 140620), (1580, 99146), (1780, 88006), (2228, 70310), (2785, 56248), (3160, 49573), (3560, 44003), (4456, 35155), (5570, 28124), (7031, 22280), (11140, 14062)]