2181670020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{16139}}^1$

素因数の和:16905

約数の個数: 72

約数和(自身を含む): 6626954880

約数和(自身を除く): 4445284860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 751, 1502, 2253, 3004, 3755, 4506, 6759, 7510, 9012, 11265, 13518, 15020, 16139, 22530, 27036, 32278, 33795, 45060, 48417, 64556, 67590, 80695, 96834, 135180, 145251, 161390, 193668, 242085, 290502, 322780, 484170, 581004, 726255, 968340, 1452510, 2905020, 12120389, 24240778, 36361167, 48481556, 60601945, 72722334, 109083501, 121203890, 145444668, 181805835, 218167002, 242407780, 363611670, 436334004, 545417505, 727223340, 1090835010, 2181670020]

約数ペア:

[(1, 2181670020), (2, 1090835010), (3, 727223340), (4, 545417505), (5, 436334004), (6, 363611670), (9, 242407780), (10, 218167002), (12, 181805835), (15, 145444668), (18, 121203890), (20, 109083501), (30, 72722334), (36, 60601945), (45, 48481556), (60, 36361167), (90, 24240778), (180, 12120389), (751, 2905020), (1502, 1452510), (2253, 968340), (3004, 726255), (3755, 581004), (4506, 484170), (6759, 322780), (7510, 290502), (9012, 242085), (11265, 193668), (13518, 161390), (15020, 145251), (16139, 135180), (22530, 96834), (27036, 80695), (32278, 67590), (33795, 64556), (45060, 48417)]