1306850520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{640613}}^1$

素因数の和:640644

約数の個数: 64

約数和(自身を含む): 4151178720

約数和(自身を除く): 2844328200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 640613, 1281226, 1921839, 2562452, 3203065, 3843678, 5124904, 6406130, 7687356, 9609195, 10890421, 12812260, 15374712, 19218390, 21780842, 25624520, 32671263, 38436780, 43561684, 54452105, 65342526, 76873560, 87123368, 108904210, 130685052, 163356315, 217808420, 261370104, 326712630, 435616840, 653425260, 1306850520]

約数ペア:

[(1, 1306850520), (2, 653425260), (3, 435616840), (4, 326712630), (5, 261370104), (6, 217808420), (8, 163356315), (10, 130685052), (12, 108904210), (15, 87123368), (17, 76873560), (20, 65342526), (24, 54452105), (30, 43561684), (34, 38436780), (40, 32671263), (51, 25624520), (60, 21780842), (68, 19218390), (85, 15374712), (102, 12812260), (120, 10890421), (136, 9609195), (170, 7687356), (204, 6406130), (255, 5124904), (340, 3843678), (408, 3203065), (510, 2562452), (680, 1921839), (1020, 1281226), (2040, 640613)]