78485040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1867

約数の個数: 120

約数和(自身を含む): 268049808

約数和(自身を除く): 189564768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1787, 1830, 2196, 2440, 2745, 2928, 3574, 3660, 4392, 4880, 5361, 5490, 7148, 7320, 8784, 8935, 10722, 10980, 14296, 14640, 16083, 17870, 21444, 21960, 26805, 28592, 32166, 35740, 42888, 43920, 53610, 64332, 71480, 80415, 85776, 107220, 109007, 128664, 142960, 160830, 214440, 218014, 257328, 321660, 327021, 428880, 436028, 545035, 643320, 654042, 872056, 981063, 1090070, 1286640, 1308084, 1635105, 1744112, 1962126, 2180140, 2616168, 3270210, 3924252, 4360280, 4905315, 5232336, 6540420, 7848504, 8720560, 9810630, 13080840, 15697008, 19621260, 26161680, 39242520, 78485040]

約数ペア:

[(1, 78485040), (2, 39242520), (3, 26161680), (4, 19621260), (5, 15697008), (6, 13080840), (8, 9810630), (9, 8720560), (10, 7848504), (12, 6540420), (15, 5232336), (16, 4905315), (18, 4360280), (20, 3924252), (24, 3270210), (30, 2616168), (36, 2180140), (40, 1962126), (45, 1744112), (48, 1635105), (60, 1308084), (61, 1286640), (72, 1090070), (80, 981063), (90, 872056), (120, 654042), (122, 643320), (144, 545035), (180, 436028), (183, 428880), (240, 327021), (244, 321660), (305, 257328), (360, 218014), (366, 214440), (488, 160830), (549, 142960), (610, 128664), (720, 109007), (732, 107220), (915, 85776), (976, 80415), (1098, 71480), (1220, 64332), (1464, 53610), (1787, 43920), (1830, 42888), (2196, 35740), (2440, 32166), (2745, 28592), (2928, 26805), (3574, 21960), (3660, 21444), (4392, 17870), (4880, 16083), (5361, 14640), (5490, 14296), (7148, 10980), (7320, 10722), (8784, 8935)]