215751420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{70507}}^1$

素因数の和:70539

約数の個数: 72

約数和(自身を含む): 692952624

約数和(自身を除く): 477201204

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, 70507, 141014, 211521, 282028, 352535, 423042, 634563, 705070, 846084, 1057605, 1198619, 1269126, 1410140, 2115210, 2397238, 2538252, 3172815, 3595857, 4230420, 4794476, 5993095, 6345630, 7191714, 10787571, 11986190, 12691260, 14383428, 17979285, 21575142, 23972380, 35958570, 43150284, 53937855, 71917140, 107875710, 215751420]

約数ペア:

[(1, 215751420), (2, 107875710), (3, 71917140), (4, 53937855), (5, 43150284), (6, 35958570), (9, 23972380), (10, 21575142), (12, 17979285), (15, 14383428), (17, 12691260), (18, 11986190), (20, 10787571), (30, 7191714), (34, 6345630), (36, 5993095), (45, 4794476), (51, 4230420), (60, 3595857), (68, 3172815), (85, 2538252), (90, 2397238), (102, 2115210), (153, 1410140), (170, 1269126), (180, 1198619), (204, 1057605), (255, 846084), (306, 705070), (340, 634563), (510, 423042), (612, 352535), (765, 282028), (1020, 211521), (1530, 141014), (3060, 70507)]