28670040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:422

約数の個数: 192

約数和(自身を含む): 110223360

約数和(自身を除く): 81553320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 367, 372, 420, 434, 465, 504, 558, 620, 630, 651, 734, 744, 840, 868, 930, 1085, 1101, 1116, 1240, 1260, 1302, 1395, 1468, 1736, 1835, 1860, 1953, 2170, 2202, 2232, 2520, 2569, 2604, 2790, 2936, 3255, 3303, 3670, 3720, 3906, 4340, 4404, 5138, 5208, 5505, 5580, 6510, 6606, 7340, 7707, 7812, 8680, 8808, 9765, 10276, 11010, 11160, 11377, 12845, 13020, 13212, 14680, 15414, 15624, 16515, 19530, 20552, 22020, 22754, 23121, 25690, 26040, 26424, 30828, 33030, 34131, 38535, 39060, 44040, 45508, 46242, 51380, 56885, 61656, 66060, 68262, 77070, 78120, 79639, 91016, 92484, 102393, 102760, 113770, 115605, 132120, 136524, 154140, 159278, 170655, 184968, 204786, 227540, 231210, 238917, 273048, 308280, 318556, 341310, 398195, 409572, 455080, 462420, 477834, 511965, 637112, 682620, 716751, 796390, 819144, 924840, 955668, 1023930, 1194585, 1365240, 1433502, 1592780, 1911336, 2047860, 2389170, 2867004, 3185560, 3583755, 4095720, 4778340, 5734008, 7167510, 9556680, 14335020, 28670040]

約数ペア:

[(1, 28670040), (2, 14335020), (3, 9556680), (4, 7167510), (5, 5734008), (6, 4778340), (7, 4095720), (8, 3583755), (9, 3185560), (10, 2867004), (12, 2389170), (14, 2047860), (15, 1911336), (18, 1592780), (20, 1433502), (21, 1365240), (24, 1194585), (28, 1023930), (30, 955668), (31, 924840), (35, 819144), (36, 796390), (40, 716751), (42, 682620), (45, 637112), (56, 511965), (60, 477834), (62, 462420), (63, 455080), (70, 409572), (72, 398195), (84, 341310), (90, 318556), (93, 308280), (105, 273048), (120, 238917), (124, 231210), (126, 227540), (140, 204786), (155, 184968), (168, 170655), (180, 159278), (186, 154140), (210, 136524), (217, 132120), (248, 115605), (252, 113770), (279, 102760), (280, 102393), (310, 92484), (315, 91016), (360, 79639), (367, 78120), (372, 77070), (420, 68262), (434, 66060), (465, 61656), (504, 56885), (558, 51380), (620, 46242), (630, 45508), (651, 44040), (734, 39060), (744, 38535), (840, 34131), (868, 33030), (930, 30828), (1085, 26424), (1101, 26040), (1116, 25690), (1240, 23121), (1260, 22754), (1302, 22020), (1395, 20552), (1468, 19530), (1736, 16515), (1835, 15624), (1860, 15414), (1953, 14680), (2170, 13212), (2202, 13020), (2232, 12845), (2520, 11377), (2569, 11160), (2604, 11010), (2790, 10276), (2936, 9765), (3255, 8808), (3303, 8680), (3670, 7812), (3720, 7707), (3906, 7340), (4340, 6606), (4404, 6510), (5138, 5580), (5208, 5505)]