728340

素因数分解:

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

素因数の和:272

約数の個数: 48

約数和(自身を含む): 2083200

約数和(自身を除く): 1354860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 199, 244, 305, 366, 398, 597, 610, 732, 796, 915, 995, 1194, 1220, 1830, 1990, 2388, 2985, 3660, 3980, 5970, 11940, 12139, 24278, 36417, 48556, 60695, 72834, 121390, 145668, 182085, 242780, 364170, 728340]

約数ペア:

[(1, 728340), (2, 364170), (3, 242780), (4, 182085), (5, 145668), (6, 121390), (10, 72834), (12, 60695), (15, 48556), (20, 36417), (30, 24278), (60, 12139), (61, 11940), (122, 5970), (183, 3980), (199, 3660), (244, 2985), (305, 2388), (366, 1990), (398, 1830), (597, 1220), (610, 1194), (732, 995), (796, 915)]