1330821560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{3361}}^1$

素因数の和:3912

約数の個数: 64

約数和(自身を含む): 3158935200

約数和(自身を除く): 1828113640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 521, 760, 1042, 2084, 2605, 3361, 4168, 5210, 6722, 9899, 10420, 13444, 16805, 19798, 20840, 26888, 33610, 39596, 49495, 63859, 67220, 79192, 98990, 127718, 134440, 197980, 255436, 319295, 395960, 510872, 638590, 1277180, 1751081, 2554360, 3502162, 7004324, 8755405, 14008648, 17510810, 33270539, 35021620, 66541078, 70043240, 133082156, 166352695, 266164312, 332705390, 665410780, 1330821560]

約数ペア:

[(1, 1330821560), (2, 665410780), (4, 332705390), (5, 266164312), (8, 166352695), (10, 133082156), (19, 70043240), (20, 66541078), (38, 35021620), (40, 33270539), (76, 17510810), (95, 14008648), (152, 8755405), (190, 7004324), (380, 3502162), (521, 2554360), (760, 1751081), (1042, 1277180), (2084, 638590), (2605, 510872), (3361, 395960), (4168, 319295), (5210, 255436), (6722, 197980), (9899, 134440), (10420, 127718), (13444, 98990), (16805, 79192), (19798, 67220), (20840, 63859), (26888, 49495), (33610, 39596)]