13260870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 41827968

約数和(自身を除く): 28567098

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 97, 98, 105, 126, 147, 155, 186, 194, 210, 217, 245, 279, 291, 294, 310, 315, 434, 441, 465, 485, 490, 558, 582, 630, 651, 679, 735, 873, 882, 930, 970, 1085, 1302, 1358, 1395, 1455, 1470, 1519, 1746, 1953, 2037, 2170, 2205, 2790, 2910, 3007, 3038, 3255, 3395, 3906, 4074, 4365, 4410, 4557, 4753, 6014, 6111, 6510, 6790, 7595, 8730, 9021, 9114, 9506, 9765, 10185, 12222, 13671, 14259, 15035, 15190, 18042, 19530, 20370, 21049, 22785, 23765, 27063, 27342, 28518, 30070, 30555, 42098, 42777, 45105, 45570, 47530, 54126, 61110, 63147, 68355, 71295, 85554, 90210, 105245, 126294, 135315, 136710, 142590, 147343, 189441, 210490, 213885, 270630, 294686, 315735, 378882, 427770, 442029, 631470, 736715, 884058, 947205, 1326087, 1473430, 1894410, 2210145, 2652174, 4420290, 6630435, 13260870]

約数ペア:

[(1, 13260870), (2, 6630435), (3, 4420290), (5, 2652174), (6, 2210145), (7, 1894410), (9, 1473430), (10, 1326087), (14, 947205), (15, 884058), (18, 736715), (21, 631470), (30, 442029), (31, 427770), (35, 378882), (42, 315735), (45, 294686), (49, 270630), (62, 213885), (63, 210490), (70, 189441), (90, 147343), (93, 142590), (97, 136710), (98, 135315), (105, 126294), (126, 105245), (147, 90210), (155, 85554), (186, 71295), (194, 68355), (210, 63147), (217, 61110), (245, 54126), (279, 47530), (291, 45570), (294, 45105), (310, 42777), (315, 42098), (434, 30555), (441, 30070), (465, 28518), (485, 27342), (490, 27063), (558, 23765), (582, 22785), (630, 21049), (651, 20370), (679, 19530), (735, 18042), (873, 15190), (882, 15035), (930, 14259), (970, 13671), (1085, 12222), (1302, 10185), (1358, 9765), (1395, 9506), (1455, 9114), (1470, 9021), (1519, 8730), (1746, 7595), (1953, 6790), (2037, 6510), (2170, 6111), (2205, 6014), (2790, 4753), (2910, 4557), (3007, 4410), (3038, 4365), (3255, 4074), (3395, 3906)]