80993360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2371}}^1$

素因数の和:2452

約数の個数: 80

約数和(自身を含む): 218831232

約数和(自身を除く): 137837872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2371, 2440, 3416, 4270, 4742, 4880, 6832, 8540, 9484, 11855, 16597, 17080, 18968, 23710, 33194, 34160, 37936, 47420, 66388, 82985, 94840, 132776, 144631, 165970, 189680, 265552, 289262, 331940, 578524, 663880, 723155, 1012417, 1157048, 1327760, 1446310, 2024834, 2314096, 2892620, 4049668, 5062085, 5785240, 8099336, 10124170, 11570480, 16198672, 20248340, 40496680, 80993360]

約数ペア:

[(1, 80993360), (2, 40496680), (4, 20248340), (5, 16198672), (7, 11570480), (8, 10124170), (10, 8099336), (14, 5785240), (16, 5062085), (20, 4049668), (28, 2892620), (35, 2314096), (40, 2024834), (56, 1446310), (61, 1327760), (70, 1157048), (80, 1012417), (112, 723155), (122, 663880), (140, 578524), (244, 331940), (280, 289262), (305, 265552), (427, 189680), (488, 165970), (560, 144631), (610, 132776), (854, 94840), (976, 82985), (1220, 66388), (1708, 47420), (2135, 37936), (2371, 34160), (2440, 33194), (3416, 23710), (4270, 18968), (4742, 17080), (4880, 16597), (6832, 11855), (8540, 9484)]