689706840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{811}}^1$

素因数の和:1217

約数の個数: 128

約数和(自身を含む): 2186553600

約数和(自身を除く): 1496846760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 373, 380, 456, 570, 746, 760, 811, 1119, 1140, 1492, 1622, 1865, 2238, 2280, 2433, 2984, 3244, 3730, 4055, 4476, 4866, 5595, 6488, 7087, 7460, 8110, 8952, 9732, 11190, 12165, 14174, 14920, 15409, 16220, 19464, 21261, 22380, 24330, 28348, 30818, 32440, 35435, 42522, 44760, 46227, 48660, 56696, 61636, 70870, 77045, 85044, 92454, 97320, 106305, 123272, 141740, 154090, 170088, 184908, 212610, 231135, 283480, 302503, 308180, 369816, 425220, 462270, 605006, 616360, 850440, 907509, 924540, 1210012, 1512515, 1815018, 1849080, 2420024, 3025030, 3630036, 4537545, 5747557, 6050060, 7260072, 9075090, 11495114, 12100120, 17242671, 18150180, 22990228, 28737785, 34485342, 36300360, 45980456, 57475570, 68970684, 86213355, 114951140, 137941368, 172426710, 229902280, 344853420, 689706840]

約数ペア:

[(1, 689706840), (2, 344853420), (3, 229902280), (4, 172426710), (5, 137941368), (6, 114951140), (8, 86213355), (10, 68970684), (12, 57475570), (15, 45980456), (19, 36300360), (20, 34485342), (24, 28737785), (30, 22990228), (38, 18150180), (40, 17242671), (57, 12100120), (60, 11495114), (76, 9075090), (95, 7260072), (114, 6050060), (120, 5747557), (152, 4537545), (190, 3630036), (228, 3025030), (285, 2420024), (373, 1849080), (380, 1815018), (456, 1512515), (570, 1210012), (746, 924540), (760, 907509), (811, 850440), (1119, 616360), (1140, 605006), (1492, 462270), (1622, 425220), (1865, 369816), (2238, 308180), (2280, 302503), (2433, 283480), (2984, 231135), (3244, 212610), (3730, 184908), (4055, 170088), (4476, 154090), (4866, 141740), (5595, 123272), (6488, 106305), (7087, 97320), (7460, 92454), (8110, 85044), (8952, 77045), (9732, 70870), (11190, 61636), (12165, 56696), (14174, 48660), (14920, 46227), (15409, 44760), (16220, 42522), (19464, 35435), (21261, 32440), (22380, 30818), (24330, 28348)]