209797680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51421}}^1$

素因数の和:51454

約数の個数: 80

約数和(自身を含む): 688643424

約数和(自身を除く): 478845744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 51421, 102842, 154263, 205684, 257105, 308526, 411368, 514210, 617052, 771315, 822736, 874157, 1028420, 1234104, 1542630, 1748314, 2056840, 2468208, 2622471, 3085260, 3496628, 4113680, 4370785, 5244942, 6170520, 6993256, 8741570, 10489884, 12341040, 13112355, 13986512, 17483140, 20979768, 26224710, 34966280, 41959536, 52449420, 69932560, 104898840, 209797680]

約数ペア:

[(1, 209797680), (2, 104898840), (3, 69932560), (4, 52449420), (5, 41959536), (6, 34966280), (8, 26224710), (10, 20979768), (12, 17483140), (15, 13986512), (16, 13112355), (17, 12341040), (20, 10489884), (24, 8741570), (30, 6993256), (34, 6170520), (40, 5244942), (48, 4370785), (51, 4113680), (60, 3496628), (68, 3085260), (80, 2622471), (85, 2468208), (102, 2056840), (120, 1748314), (136, 1542630), (170, 1234104), (204, 1028420), (240, 874157), (255, 822736), (272, 771315), (340, 617052), (408, 514210), (510, 411368), (680, 308526), (816, 257105), (1020, 205684), (1360, 154263), (2040, 102842), (4080, 51421)]