178755920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1529

約数の個数: 120

約数和(自身を含む): 499396608

約数和(自身を除く): 320640688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1471, 1519, 1736, 1960, 2170, 2480, 2942, 3038, 3472, 3920, 4340, 5884, 6076, 7355, 7595, 8680, 10297, 11768, 12152, 14710, 15190, 17360, 20594, 23536, 24304, 29420, 30380, 41188, 45601, 51485, 58840, 60760, 72079, 82376, 91202, 102970, 117680, 121520, 144158, 164752, 182404, 205940, 228005, 288316, 319207, 360395, 364808, 411880, 456010, 576632, 638414, 720790, 729616, 823760, 912020, 1153264, 1276828, 1441580, 1596035, 1824040, 2234449, 2553656, 2883160, 3192070, 3648080, 4468898, 5107312, 5766320, 6384140, 8937796, 11172245, 12768280, 17875592, 22344490, 25536560, 35751184, 44688980, 89377960, 178755920]

約数ペア:

[(1, 178755920), (2, 89377960), (4, 44688980), (5, 35751184), (7, 25536560), (8, 22344490), (10, 17875592), (14, 12768280), (16, 11172245), (20, 8937796), (28, 6384140), (31, 5766320), (35, 5107312), (40, 4468898), (49, 3648080), (56, 3192070), (62, 2883160), (70, 2553656), (80, 2234449), (98, 1824040), (112, 1596035), (124, 1441580), (140, 1276828), (155, 1153264), (196, 912020), (217, 823760), (245, 729616), (248, 720790), (280, 638414), (310, 576632), (392, 456010), (434, 411880), (490, 364808), (496, 360395), (560, 319207), (620, 288316), (784, 228005), (868, 205940), (980, 182404), (1085, 164752), (1240, 144158), (1471, 121520), (1519, 117680), (1736, 102970), (1960, 91202), (2170, 82376), (2480, 72079), (2942, 60760), (3038, 58840), (3472, 51485), (3920, 45601), (4340, 41188), (5884, 30380), (6076, 29420), (7355, 24304), (7595, 23536), (8680, 20594), (10297, 17360), (11768, 15190), (12152, 14710)]