78255420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4513}}^1$

素因数の和:4559

約数の個数: 72

約数和(自身を含む): 232814064

約数和(自身を除く): 154558644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 4513, 5780, 8670, 9026, 13539, 17340, 18052, 22565, 27078, 45130, 54156, 67695, 76721, 90260, 135390, 153442, 230163, 270780, 306884, 383605, 460326, 767210, 920652, 1150815, 1304257, 1534420, 2301630, 2608514, 3912771, 4603260, 5217028, 6521285, 7825542, 13042570, 15651084, 19563855, 26085140, 39127710, 78255420]

約数ペア:

[(1, 78255420), (2, 39127710), (3, 26085140), (4, 19563855), (5, 15651084), (6, 13042570), (10, 7825542), (12, 6521285), (15, 5217028), (17, 4603260), (20, 3912771), (30, 2608514), (34, 2301630), (51, 1534420), (60, 1304257), (68, 1150815), (85, 920652), (102, 767210), (170, 460326), (204, 383605), (255, 306884), (289, 270780), (340, 230163), (510, 153442), (578, 135390), (867, 90260), (1020, 76721), (1156, 67695), (1445, 54156), (1734, 45130), (2890, 27078), (3468, 22565), (4335, 18052), (4513, 17340), (5780, 13539), (8670, 9026)]