1020770480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{787}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 2457652224

約数和(自身を除く): 1436881744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 523, 620, 787, 1046, 1240, 1574, 2092, 2480, 2615, 3148, 3935, 4184, 5230, 6296, 7870, 8368, 10460, 12592, 15740, 16213, 20920, 24397, 31480, 32426, 41840, 48794, 62960, 64852, 81065, 97588, 121985, 129704, 162130, 195176, 243970, 259408, 324260, 390352, 411601, 487940, 648520, 823202, 975880, 1297040, 1646404, 1951760, 2058005, 3292808, 4116010, 6585616, 8232020, 12759631, 16464040, 25519262, 32928080, 51038524, 63798155, 102077048, 127596310, 204154096, 255192620, 510385240, 1020770480]

約数ペア:

[(1, 1020770480), (2, 510385240), (4, 255192620), (5, 204154096), (8, 127596310), (10, 102077048), (16, 63798155), (20, 51038524), (31, 32928080), (40, 25519262), (62, 16464040), (80, 12759631), (124, 8232020), (155, 6585616), (248, 4116010), (310, 3292808), (496, 2058005), (523, 1951760), (620, 1646404), (787, 1297040), (1046, 975880), (1240, 823202), (1574, 648520), (2092, 487940), (2480, 411601), (2615, 390352), (3148, 324260), (3935, 259408), (4184, 243970), (5230, 195176), (6296, 162130), (7870, 129704), (8368, 121985), (10460, 97588), (12592, 81065), (15740, 64852), (16213, 62960), (20920, 48794), (24397, 41840), (31480, 32426)]