15806320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 38747520

約数和(自身を除く): 22941200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 79, 80, 82, 122, 158, 164, 205, 244, 305, 316, 328, 395, 410, 488, 610, 632, 656, 790, 820, 976, 1220, 1264, 1580, 1640, 2440, 2501, 3160, 3239, 3280, 4819, 4880, 5002, 6320, 6478, 9638, 10004, 12505, 12956, 16195, 19276, 20008, 24095, 25010, 25912, 32390, 38552, 40016, 48190, 50020, 51824, 64780, 77104, 96380, 100040, 129560, 192760, 197579, 200080, 259120, 385520, 395158, 790316, 987895, 1580632, 1975790, 3161264, 3951580, 7903160, 15806320]

約数ペア:

[(1, 15806320), (2, 7903160), (4, 3951580), (5, 3161264), (8, 1975790), (10, 1580632), (16, 987895), (20, 790316), (40, 395158), (41, 385520), (61, 259120), (79, 200080), (80, 197579), (82, 192760), (122, 129560), (158, 100040), (164, 96380), (205, 77104), (244, 64780), (305, 51824), (316, 50020), (328, 48190), (395, 40016), (410, 38552), (488, 32390), (610, 25912), (632, 25010), (656, 24095), (790, 20008), (820, 19276), (976, 16195), (1220, 12956), (1264, 12505), (1580, 10004), (1640, 9638), (2440, 6478), (2501, 6320), (3160, 5002), (3239, 4880), (3280, 4819)]