6553840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 16606080

約数和(自身を除く): 10052240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 79, 80, 85, 122, 136, 158, 170, 244, 272, 305, 316, 340, 395, 488, 610, 632, 680, 790, 976, 1037, 1220, 1264, 1343, 1360, 1580, 2074, 2440, 2686, 3160, 4148, 4819, 4880, 5185, 5372, 6320, 6715, 8296, 9638, 10370, 10744, 13430, 16592, 19276, 20740, 21488, 24095, 26860, 38552, 41480, 48190, 53720, 77104, 81923, 82960, 96380, 107440, 163846, 192760, 327692, 385520, 409615, 655384, 819230, 1310768, 1638460, 3276920, 6553840]

約数ペア:

[(1, 6553840), (2, 3276920), (4, 1638460), (5, 1310768), (8, 819230), (10, 655384), (16, 409615), (17, 385520), (20, 327692), (34, 192760), (40, 163846), (61, 107440), (68, 96380), (79, 82960), (80, 81923), (85, 77104), (122, 53720), (136, 48190), (158, 41480), (170, 38552), (244, 26860), (272, 24095), (305, 21488), (316, 20740), (340, 19276), (395, 16592), (488, 13430), (610, 10744), (632, 10370), (680, 9638), (790, 8296), (976, 6715), (1037, 6320), (1220, 5372), (1264, 5185), (1343, 4880), (1360, 4819), (1580, 4148), (2074, 3160), (2440, 2686)]