51645510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^4\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 120

約数和(自身を含む): 157304160

約数和(自身を除く): 105658650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 239, 245, 294, 315, 343, 441, 478, 490, 630, 686, 717, 735, 882, 1029, 1195, 1434, 1470, 1673, 1715, 2058, 2151, 2205, 2390, 2401, 3087, 3346, 3430, 3585, 4302, 4410, 4802, 5019, 5145, 6174, 7170, 7203, 8365, 10038, 10290, 10755, 11711, 12005, 14406, 15057, 15435, 16730, 21510, 21609, 23422, 24010, 25095, 30114, 30870, 35133, 36015, 43218, 50190, 58555, 70266, 72030, 75285, 81977, 105399, 108045, 117110, 150570, 163954, 175665, 210798, 216090, 245931, 351330, 409885, 491862, 526995, 573839, 737793, 819770, 1053990, 1147678, 1229655, 1475586, 1721517, 2459310, 2869195, 3443034, 3688965, 5164551, 5738390, 7377930, 8607585, 10329102, 17215170, 25822755, 51645510]

約数ペア:

[(1, 51645510), (2, 25822755), (3, 17215170), (5, 10329102), (6, 8607585), (7, 7377930), (9, 5738390), (10, 5164551), (14, 3688965), (15, 3443034), (18, 2869195), (21, 2459310), (30, 1721517), (35, 1475586), (42, 1229655), (45, 1147678), (49, 1053990), (63, 819770), (70, 737793), (90, 573839), (98, 526995), (105, 491862), (126, 409885), (147, 351330), (210, 245931), (239, 216090), (245, 210798), (294, 175665), (315, 163954), (343, 150570), (441, 117110), (478, 108045), (490, 105399), (630, 81977), (686, 75285), (717, 72030), (735, 70266), (882, 58555), (1029, 50190), (1195, 43218), (1434, 36015), (1470, 35133), (1673, 30870), (1715, 30114), (2058, 25095), (2151, 24010), (2205, 23422), (2390, 21609), (2401, 21510), (3087, 16730), (3346, 15435), (3430, 15057), (3585, 14406), (4302, 12005), (4410, 11711), (4802, 10755), (5019, 10290), (5145, 10038), (6174, 8365), (7170, 7203)]