72420960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 237223728

約数和(自身を除く): 164802768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 157, 160, 186, 240, 248, 310, 314, 372, 465, 471, 480, 496, 620, 628, 744, 785, 930, 942, 961, 992, 1240, 1256, 1488, 1570, 1860, 1884, 1922, 2355, 2480, 2512, 2883, 2976, 3140, 3720, 3768, 3844, 4710, 4805, 4867, 4960, 5024, 5766, 6280, 7440, 7536, 7688, 9420, 9610, 9734, 11532, 12560, 14415, 14601, 14880, 15072, 15376, 18840, 19220, 19468, 23064, 24335, 25120, 28830, 29202, 30752, 37680, 38440, 38936, 46128, 48670, 57660, 58404, 73005, 75360, 76880, 77872, 92256, 97340, 115320, 116808, 146010, 150877, 153760, 155744, 194680, 230640, 233616, 292020, 301754, 389360, 452631, 461280, 467232, 584040, 603508, 754385, 778720, 905262, 1168080, 1207016, 1508770, 1810524, 2263155, 2336160, 2414032, 3017540, 3621048, 4526310, 4828064, 6035080, 7242096, 9052620, 12070160, 14484192, 18105240, 24140320, 36210480, 72420960]

約数ペア:

[(1, 72420960), (2, 36210480), (3, 24140320), (4, 18105240), (5, 14484192), (6, 12070160), (8, 9052620), (10, 7242096), (12, 6035080), (15, 4828064), (16, 4526310), (20, 3621048), (24, 3017540), (30, 2414032), (31, 2336160), (32, 2263155), (40, 1810524), (48, 1508770), (60, 1207016), (62, 1168080), (80, 905262), (93, 778720), (96, 754385), (120, 603508), (124, 584040), (155, 467232), (157, 461280), (160, 452631), (186, 389360), (240, 301754), (248, 292020), (310, 233616), (314, 230640), (372, 194680), (465, 155744), (471, 153760), (480, 150877), (496, 146010), (620, 116808), (628, 115320), (744, 97340), (785, 92256), (930, 77872), (942, 76880), (961, 75360), (992, 73005), (1240, 58404), (1256, 57660), (1488, 48670), (1570, 46128), (1860, 38936), (1884, 38440), (1922, 37680), (2355, 30752), (2480, 29202), (2512, 28830), (2883, 25120), (2976, 24335), (3140, 23064), (3720, 19468), (3768, 19220), (3844, 18840), (4710, 15376), (4805, 15072), (4867, 14880), (4960, 14601), (5024, 14415), (5766, 12560), (6280, 11532), (7440, 9734), (7536, 9610), (7688, 9420)]