643425840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2251}}^1$

素因数の和:2667

約数の個数: 120

約数和(自身を含む): 2167243728

約数和(自身を除く): 1523817888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 397, 720, 794, 1191, 1588, 1985, 2251, 2382, 3176, 3573, 3970, 4502, 4764, 5955, 6352, 6753, 7146, 7940, 9004, 9528, 11255, 11910, 13506, 14292, 15880, 17865, 18008, 19056, 20259, 22510, 23820, 27012, 28584, 31760, 33765, 35730, 36016, 40518, 45020, 47640, 54024, 57168, 67530, 71460, 81036, 90040, 95280, 101295, 108048, 135060, 142920, 162072, 180080, 202590, 270120, 285840, 324144, 405180, 540240, 810360, 893647, 1620720, 1787294, 2680941, 3574588, 4468235, 5361882, 7149176, 8042823, 8936470, 10723764, 13404705, 14298352, 16085646, 17872940, 21447528, 26809410, 32171292, 35745880, 40214115, 42895056, 53618820, 64342584, 71491760, 80428230, 107237640, 128685168, 160856460, 214475280, 321712920, 643425840]

約数ペア:

[(1, 643425840), (2, 321712920), (3, 214475280), (4, 160856460), (5, 128685168), (6, 107237640), (8, 80428230), (9, 71491760), (10, 64342584), (12, 53618820), (15, 42895056), (16, 40214115), (18, 35745880), (20, 32171292), (24, 26809410), (30, 21447528), (36, 17872940), (40, 16085646), (45, 14298352), (48, 13404705), (60, 10723764), (72, 8936470), (80, 8042823), (90, 7149176), (120, 5361882), (144, 4468235), (180, 3574588), (240, 2680941), (360, 1787294), (397, 1620720), (720, 893647), (794, 810360), (1191, 540240), (1588, 405180), (1985, 324144), (2251, 285840), (2382, 270120), (3176, 202590), (3573, 180080), (3970, 162072), (4502, 142920), (4764, 135060), (5955, 108048), (6352, 101295), (6753, 95280), (7146, 90040), (7940, 81036), (9004, 71460), (9528, 67530), (11255, 57168), (11910, 54024), (13506, 47640), (14292, 45020), (15880, 40518), (17865, 36016), (18008, 35730), (19056, 33765), (20259, 31760), (22510, 28584), (23820, 27012)]