2820300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 9999360

約数和(自身を除く): 7179060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 50, 51, 60, 68, 70, 75, 79, 84, 85, 100, 102, 105, 119, 140, 150, 158, 170, 175, 204, 210, 237, 238, 255, 300, 316, 340, 350, 357, 395, 420, 425, 474, 476, 510, 525, 553, 595, 700, 714, 790, 850, 948, 1020, 1050, 1106, 1185, 1190, 1275, 1343, 1428, 1580, 1659, 1700, 1785, 1975, 2100, 2212, 2370, 2380, 2550, 2686, 2765, 2975, 3318, 3570, 3950, 4029, 4740, 5100, 5372, 5530, 5925, 5950, 6636, 6715, 7140, 7900, 8058, 8295, 8925, 9401, 11060, 11850, 11900, 13430, 13825, 16116, 16590, 17850, 18802, 20145, 23700, 26860, 27650, 28203, 33180, 33575, 35700, 37604, 40290, 41475, 47005, 55300, 56406, 67150, 80580, 82950, 94010, 100725, 112812, 134300, 141015, 165900, 188020, 201450, 235025, 282030, 402900, 470050, 564060, 705075, 940100, 1410150, 2820300]

約数ペア:

[(1, 2820300), (2, 1410150), (3, 940100), (4, 705075), (5, 564060), (6, 470050), (7, 402900), (10, 282030), (12, 235025), (14, 201450), (15, 188020), (17, 165900), (20, 141015), (21, 134300), (25, 112812), (28, 100725), (30, 94010), (34, 82950), (35, 80580), (42, 67150), (50, 56406), (51, 55300), (60, 47005), (68, 41475), (70, 40290), (75, 37604), (79, 35700), (84, 33575), (85, 33180), (100, 28203), (102, 27650), (105, 26860), (119, 23700), (140, 20145), (150, 18802), (158, 17850), (170, 16590), (175, 16116), (204, 13825), (210, 13430), (237, 11900), (238, 11850), (255, 11060), (300, 9401), (316, 8925), (340, 8295), (350, 8058), (357, 7900), (395, 7140), (420, 6715), (425, 6636), (474, 5950), (476, 5925), (510, 5530), (525, 5372), (553, 5100), (595, 4740), (700, 4029), (714, 3950), (790, 3570), (850, 3318), (948, 2975), (1020, 2765), (1050, 2686), (1106, 2550), (1185, 2380), (1190, 2370), (1275, 2212), (1343, 2100), (1428, 1975), (1580, 1785), (1659, 1700)]