1816920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{103}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 6935760

約数和(自身を除く): 5118840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 103, 105, 120, 126, 140, 147, 168, 180, 196, 206, 210, 245, 252, 280, 294, 309, 315, 360, 392, 412, 420, 441, 490, 504, 515, 588, 618, 630, 721, 735, 824, 840, 882, 927, 980, 1030, 1176, 1236, 1260, 1442, 1470, 1545, 1764, 1854, 1960, 2060, 2163, 2205, 2472, 2520, 2884, 2940, 3090, 3528, 3605, 3708, 4120, 4326, 4410, 4635, 5047, 5768, 5880, 6180, 6489, 7210, 7416, 8652, 8820, 9270, 10094, 10815, 12360, 12978, 14420, 15141, 17304, 17640, 18540, 20188, 21630, 25235, 25956, 28840, 30282, 32445, 37080, 40376, 43260, 45423, 50470, 51912, 60564, 64890, 75705, 86520, 90846, 100940, 121128, 129780, 151410, 181692, 201880, 227115, 259560, 302820, 363384, 454230, 605640, 908460, 1816920]

約数ペア:

[(1, 1816920), (2, 908460), (3, 605640), (4, 454230), (5, 363384), (6, 302820), (7, 259560), (8, 227115), (9, 201880), (10, 181692), (12, 151410), (14, 129780), (15, 121128), (18, 100940), (20, 90846), (21, 86520), (24, 75705), (28, 64890), (30, 60564), (35, 51912), (36, 50470), (40, 45423), (42, 43260), (45, 40376), (49, 37080), (56, 32445), (60, 30282), (63, 28840), (70, 25956), (72, 25235), (84, 21630), (90, 20188), (98, 18540), (103, 17640), (105, 17304), (120, 15141), (126, 14420), (140, 12978), (147, 12360), (168, 10815), (180, 10094), (196, 9270), (206, 8820), (210, 8652), (245, 7416), (252, 7210), (280, 6489), (294, 6180), (309, 5880), (315, 5768), (360, 5047), (392, 4635), (412, 4410), (420, 4326), (441, 4120), (490, 3708), (504, 3605), (515, 3528), (588, 3090), (618, 2940), (630, 2884), (721, 2520), (735, 2472), (824, 2205), (840, 2163), (882, 2060), (927, 1960), (980, 1854), (1030, 1764), (1176, 1545), (1236, 1470), (1260, 1442)]