1985214780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{648763}}^1$

素因数の和:648795

約数の個数: 72

約数和(自身を含む): 6376052592

約数和(自身を除く): 4390837812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 648763, 1297526, 1946289, 2595052, 3243815, 3892578, 5838867, 6487630, 7785156, 9731445, 11028971, 11677734, 12975260, 19462890, 22057942, 23355468, 29194335, 33086913, 38925780, 44115884, 55144855, 58388670, 66173826, 99260739, 110289710, 116777340, 132347652, 165434565, 198521478, 220579420, 330869130, 397042956, 496303695, 661738260, 992607390, 1985214780]

約数ペア:

[(1, 1985214780), (2, 992607390), (3, 661738260), (4, 496303695), (5, 397042956), (6, 330869130), (9, 220579420), (10, 198521478), (12, 165434565), (15, 132347652), (17, 116777340), (18, 110289710), (20, 99260739), (30, 66173826), (34, 58388670), (36, 55144855), (45, 44115884), (51, 38925780), (60, 33086913), (68, 29194335), (85, 23355468), (90, 22057942), (102, 19462890), (153, 12975260), (170, 11677734), (180, 11028971), (204, 9731445), (255, 7785156), (306, 6487630), (340, 5838867), (510, 3892578), (612, 3243815), (765, 2595052), (1020, 1946289), (1530, 1297526), (3060, 648763)]