28461720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1145

約数の個数: 128

約数和(自身を含む): 100823040

約数和(自身を除く): 72361320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1093, 1240, 1302, 1736, 1860, 2170, 2186, 2604, 3255, 3279, 3720, 4340, 4372, 5208, 5465, 6510, 6558, 7651, 8680, 8744, 10930, 13020, 13116, 15302, 16395, 21860, 22953, 26040, 26232, 30604, 32790, 33883, 38255, 43720, 45906, 61208, 65580, 67766, 76510, 91812, 101649, 114765, 131160, 135532, 153020, 169415, 183624, 203298, 229530, 237181, 271064, 306040, 338830, 406596, 459060, 474362, 508245, 677660, 711543, 813192, 918120, 948724, 1016490, 1185905, 1355320, 1423086, 1897448, 2032980, 2371810, 2846172, 3557715, 4065960, 4743620, 5692344, 7115430, 9487240, 14230860, 28461720]

約数ペア:

[(1, 28461720), (2, 14230860), (3, 9487240), (4, 7115430), (5, 5692344), (6, 4743620), (7, 4065960), (8, 3557715), (10, 2846172), (12, 2371810), (14, 2032980), (15, 1897448), (20, 1423086), (21, 1355320), (24, 1185905), (28, 1016490), (30, 948724), (31, 918120), (35, 813192), (40, 711543), (42, 677660), (56, 508245), (60, 474362), (62, 459060), (70, 406596), (84, 338830), (93, 306040), (105, 271064), (120, 237181), (124, 229530), (140, 203298), (155, 183624), (168, 169415), (186, 153020), (210, 135532), (217, 131160), (248, 114765), (280, 101649), (310, 91812), (372, 76510), (420, 67766), (434, 65580), (465, 61208), (620, 45906), (651, 43720), (744, 38255), (840, 33883), (868, 32790), (930, 30604), (1085, 26232), (1093, 26040), (1240, 22953), (1302, 21860), (1736, 16395), (1860, 15302), (2170, 13116), (2186, 13020), (2604, 10930), (3255, 8744), (3279, 8680), (3720, 7651), (4340, 6558), (4372, 6510), (5208, 5465)]