81209910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 199987200

約数和(自身を除く): 118777290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 199, 223, 305, 366, 398, 446, 597, 610, 669, 915, 995, 1115, 1194, 1338, 1830, 1990, 2230, 2985, 3345, 5970, 6690, 12139, 13603, 24278, 27206, 36417, 40809, 44377, 60695, 68015, 72834, 81618, 88754, 121390, 133131, 136030, 182085, 204045, 221885, 266262, 364170, 408090, 443770, 665655, 1331310, 2706997, 5413994, 8120991, 13534985, 16241982, 27069970, 40604955, 81209910]

約数ペア:

[(1, 81209910), (2, 40604955), (3, 27069970), (5, 16241982), (6, 13534985), (10, 8120991), (15, 5413994), (30, 2706997), (61, 1331310), (122, 665655), (183, 443770), (199, 408090), (223, 364170), (305, 266262), (366, 221885), (398, 204045), (446, 182085), (597, 136030), (610, 133131), (669, 121390), (915, 88754), (995, 81618), (1115, 72834), (1194, 68015), (1338, 60695), (1830, 44377), (1990, 40809), (2230, 36417), (2985, 27206), (3345, 24278), (5970, 13603), (6690, 12139)]