30027900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 101104640

約数和(自身を除く): 71076740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 79, 84, 100, 105, 140, 150, 158, 175, 181, 210, 237, 300, 316, 350, 362, 395, 420, 474, 525, 543, 553, 700, 724, 790, 905, 948, 1050, 1086, 1106, 1185, 1267, 1580, 1659, 1810, 1975, 2100, 2172, 2212, 2370, 2534, 2715, 2765, 3318, 3620, 3801, 3950, 4525, 4740, 5068, 5430, 5530, 5925, 6335, 6636, 7602, 7900, 8295, 9050, 10860, 11060, 11850, 12670, 13575, 13825, 14299, 15204, 16590, 18100, 19005, 23700, 25340, 27150, 27650, 28598, 31675, 33180, 38010, 41475, 42897, 54300, 55300, 57196, 63350, 71495, 76020, 82950, 85794, 95025, 100093, 126700, 142990, 165900, 171588, 190050, 200186, 214485, 285980, 300279, 357475, 380100, 400372, 428970, 500465, 600558, 714950, 857940, 1000930, 1072425, 1201116, 1429900, 1501395, 2001860, 2144850, 2502325, 3002790, 4289700, 5004650, 6005580, 7506975, 10009300, 15013950, 30027900]

約数ペア:

[(1, 30027900), (2, 15013950), (3, 10009300), (4, 7506975), (5, 6005580), (6, 5004650), (7, 4289700), (10, 3002790), (12, 2502325), (14, 2144850), (15, 2001860), (20, 1501395), (21, 1429900), (25, 1201116), (28, 1072425), (30, 1000930), (35, 857940), (42, 714950), (50, 600558), (60, 500465), (70, 428970), (75, 400372), (79, 380100), (84, 357475), (100, 300279), (105, 285980), (140, 214485), (150, 200186), (158, 190050), (175, 171588), (181, 165900), (210, 142990), (237, 126700), (300, 100093), (316, 95025), (350, 85794), (362, 82950), (395, 76020), (420, 71495), (474, 63350), (525, 57196), (543, 55300), (553, 54300), (700, 42897), (724, 41475), (790, 38010), (905, 33180), (948, 31675), (1050, 28598), (1086, 27650), (1106, 27150), (1185, 25340), (1267, 23700), (1580, 19005), (1659, 18100), (1810, 16590), (1975, 15204), (2100, 14299), (2172, 13825), (2212, 13575), (2370, 12670), (2534, 11850), (2715, 11060), (2765, 10860), (3318, 9050), (3620, 8295), (3801, 7900), (3950, 7602), (4525, 6636), (4740, 6335), (5068, 5925), (5430, 5530)]