1980300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 6999552

約数和(自身を除く): 5019252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 41, 42, 46, 50, 60, 69, 70, 75, 82, 84, 92, 100, 105, 115, 123, 138, 140, 150, 161, 164, 175, 205, 210, 230, 246, 276, 287, 300, 322, 345, 350, 410, 420, 460, 483, 492, 525, 574, 575, 615, 644, 690, 700, 805, 820, 861, 943, 966, 1025, 1050, 1148, 1150, 1230, 1380, 1435, 1610, 1722, 1725, 1886, 1932, 2050, 2100, 2300, 2415, 2460, 2829, 2870, 3075, 3220, 3444, 3450, 3772, 4025, 4100, 4305, 4715, 4830, 5658, 5740, 6150, 6601, 6900, 7175, 8050, 8610, 9430, 9660, 11316, 12075, 12300, 13202, 14145, 14350, 16100, 17220, 18860, 19803, 21525, 23575, 24150, 26404, 28290, 28700, 33005, 39606, 43050, 47150, 48300, 56580, 66010, 70725, 79212, 86100, 94300, 99015, 132020, 141450, 165025, 198030, 282900, 330050, 396060, 495075, 660100, 990150, 1980300]

約数ペア:

[(1, 1980300), (2, 990150), (3, 660100), (4, 495075), (5, 396060), (6, 330050), (7, 282900), (10, 198030), (12, 165025), (14, 141450), (15, 132020), (20, 99015), (21, 94300), (23, 86100), (25, 79212), (28, 70725), (30, 66010), (35, 56580), (41, 48300), (42, 47150), (46, 43050), (50, 39606), (60, 33005), (69, 28700), (70, 28290), (75, 26404), (82, 24150), (84, 23575), (92, 21525), (100, 19803), (105, 18860), (115, 17220), (123, 16100), (138, 14350), (140, 14145), (150, 13202), (161, 12300), (164, 12075), (175, 11316), (205, 9660), (210, 9430), (230, 8610), (246, 8050), (276, 7175), (287, 6900), (300, 6601), (322, 6150), (345, 5740), (350, 5658), (410, 4830), (420, 4715), (460, 4305), (483, 4100), (492, 4025), (525, 3772), (574, 3450), (575, 3444), (615, 3220), (644, 3075), (690, 2870), (700, 2829), (805, 2460), (820, 2415), (861, 2300), (943, 2100), (966, 2050), (1025, 1932), (1050, 1886), (1148, 1725), (1150, 1722), (1230, 1610), (1380, 1435)]