215678340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7351}}^1$

素因数の和:7529

約数の個数: 72

約数和(自身を含む): 658327488

約数和(自身を除く): 442649148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2934, 3260, 4890, 5868, 7335, 7351, 9780, 14670, 14702, 22053, 29340, 29404, 36755, 44106, 66159, 73510, 88212, 110265, 132318, 147020, 220530, 264636, 330795, 441060, 661590, 1198213, 1323180, 2396426, 3594639, 4792852, 5991065, 7189278, 10783917, 11982130, 14378556, 17973195, 21567834, 23964260, 35946390, 43135668, 53919585, 71892780, 107839170, 215678340]

約数ペア:

[(1, 215678340), (2, 107839170), (3, 71892780), (4, 53919585), (5, 43135668), (6, 35946390), (9, 23964260), (10, 21567834), (12, 17973195), (15, 14378556), (18, 11982130), (20, 10783917), (30, 7189278), (36, 5991065), (45, 4792852), (60, 3594639), (90, 2396426), (163, 1323180), (180, 1198213), (326, 661590), (489, 441060), (652, 330795), (815, 264636), (978, 220530), (1467, 147020), (1630, 132318), (1956, 110265), (2445, 88212), (2934, 73510), (3260, 66159), (4890, 44106), (5868, 36755), (7335, 29404), (7351, 29340), (9780, 22053), (14670, 14702)]