2185020

素因数分解:

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

素因数の和:275

約数の個数: 72

約数和(自身を含む): 6770400

約数和(自身を除く): 4585380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 199, 244, 305, 366, 398, 549, 597, 610, 732, 796, 915, 995, 1098, 1194, 1220, 1791, 1830, 1990, 2196, 2388, 2745, 2985, 3582, 3660, 3980, 5490, 5970, 7164, 8955, 10980, 11940, 12139, 17910, 24278, 35820, 36417, 48556, 60695, 72834, 109251, 121390, 145668, 182085, 218502, 242780, 364170, 437004, 546255, 728340, 1092510, 2185020]

約数ペア:

[(1, 2185020), (2, 1092510), (3, 728340), (4, 546255), (5, 437004), (6, 364170), (9, 242780), (10, 218502), (12, 182085), (15, 145668), (18, 121390), (20, 109251), (30, 72834), (36, 60695), (45, 48556), (60, 36417), (61, 35820), (90, 24278), (122, 17910), (180, 12139), (183, 11940), (199, 10980), (244, 8955), (305, 7164), (366, 5970), (398, 5490), (549, 3980), (597, 3660), (610, 3582), (732, 2985), (796, 2745), (915, 2388), (995, 2196), (1098, 1990), (1194, 1830), (1220, 1791)]