312900840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41389}}^1$

素因数の和:41416

約数の個数: 128

約数和(自身を含む): 1192032000

約数和(自身を除く): 879131160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 41389, 82778, 124167, 165556, 206945, 248334, 289723, 331112, 372501, 413890, 496668, 579446, 620835, 745002, 827780, 869169, 993336, 1117503, 1158892, 1241670, 1448615, 1490004, 1655560, 1738338, 1862505, 2235006, 2317784, 2483340, 2607507, 2897230, 2980008, 3476676, 3725010, 4345845, 4470012, 4966680, 5215014, 5587515, 5794460, 6953352, 7450020, 7822521, 8691690, 8940024, 10430028, 11175030, 11588920, 13037535, 14900040, 15645042, 17383380, 20860056, 22350060, 26075070, 31290084, 34766760, 39112605, 44700120, 52150140, 62580168, 78225210, 104300280, 156450420, 312900840]

約数ペア:

[(1, 312900840), (2, 156450420), (3, 104300280), (4, 78225210), (5, 62580168), (6, 52150140), (7, 44700120), (8, 39112605), (9, 34766760), (10, 31290084), (12, 26075070), (14, 22350060), (15, 20860056), (18, 17383380), (20, 15645042), (21, 14900040), (24, 13037535), (27, 11588920), (28, 11175030), (30, 10430028), (35, 8940024), (36, 8691690), (40, 7822521), (42, 7450020), (45, 6953352), (54, 5794460), (56, 5587515), (60, 5215014), (63, 4966680), (70, 4470012), (72, 4345845), (84, 3725010), (90, 3476676), (105, 2980008), (108, 2897230), (120, 2607507), (126, 2483340), (135, 2317784), (140, 2235006), (168, 1862505), (180, 1738338), (189, 1655560), (210, 1490004), (216, 1448615), (252, 1241670), (270, 1158892), (280, 1117503), (315, 993336), (360, 869169), (378, 827780), (420, 745002), (504, 620835), (540, 579446), (630, 496668), (756, 413890), (840, 372501), (945, 331112), (1080, 289723), (1260, 248334), (1512, 206945), (1890, 165556), (2520, 124167), (3780, 82778), (7560, 41389)]