161219340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14683}}^1$

素因数の和:14759

約数の個数: 72

約数和(自身を含む): 497082768

約数和(自身を除く): 335863428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 14683, 29366, 44049, 58732, 73415, 88098, 132147, 146830, 176196, 220245, 264294, 293660, 440490, 528588, 660735, 880980, 895663, 1321470, 1791326, 2642940, 2686989, 3582652, 4478315, 5373978, 8060967, 8956630, 10747956, 13434945, 16121934, 17913260, 26869890, 32243868, 40304835, 53739780, 80609670, 161219340]

約数ペア:

[(1, 161219340), (2, 80609670), (3, 53739780), (4, 40304835), (5, 32243868), (6, 26869890), (9, 17913260), (10, 16121934), (12, 13434945), (15, 10747956), (18, 8956630), (20, 8060967), (30, 5373978), (36, 4478315), (45, 3582652), (60, 2686989), (61, 2642940), (90, 1791326), (122, 1321470), (180, 895663), (183, 880980), (244, 660735), (305, 528588), (366, 440490), (549, 293660), (610, 264294), (732, 220245), (915, 176196), (1098, 146830), (1220, 132147), (1830, 88098), (2196, 73415), (2745, 58732), (3660, 44049), (5490, 29366), (10980, 14683)]