28487760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:601

約数の個数: 160

約数和(自身を含む): 104374272

約数和(自身を除く): 75886512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 547, 560, 620, 651, 744, 840, 868, 930, 1085, 1094, 1240, 1302, 1488, 1641, 1680, 1736, 1860, 2170, 2188, 2480, 2604, 2735, 3255, 3282, 3472, 3720, 3829, 4340, 4376, 5208, 5470, 6510, 6564, 7440, 7658, 8205, 8680, 8752, 10416, 10940, 11487, 13020, 13128, 15316, 16410, 16957, 17360, 19145, 21880, 22974, 26040, 26256, 30632, 32820, 33914, 38290, 43760, 45948, 50871, 52080, 57435, 61264, 65640, 67828, 76580, 84785, 91896, 101742, 114870, 118699, 131280, 135656, 153160, 169570, 183792, 203484, 229740, 237398, 254355, 271312, 306320, 339140, 356097, 406968, 459480, 474796, 508710, 593495, 678280, 712194, 813936, 918960, 949592, 1017420, 1186990, 1356560, 1424388, 1780485, 1899184, 2034840, 2373980, 2848776, 3560970, 4069680, 4747960, 5697552, 7121940, 9495920, 14243880, 28487760]

約数ペア:

[(1, 28487760), (2, 14243880), (3, 9495920), (4, 7121940), (5, 5697552), (6, 4747960), (7, 4069680), (8, 3560970), (10, 2848776), (12, 2373980), (14, 2034840), (15, 1899184), (16, 1780485), (20, 1424388), (21, 1356560), (24, 1186990), (28, 1017420), (30, 949592), (31, 918960), (35, 813936), (40, 712194), (42, 678280), (48, 593495), (56, 508710), (60, 474796), (62, 459480), (70, 406968), (80, 356097), (84, 339140), (93, 306320), (105, 271312), (112, 254355), (120, 237398), (124, 229740), (140, 203484), (155, 183792), (168, 169570), (186, 153160), (210, 135656), (217, 131280), (240, 118699), (248, 114870), (280, 101742), (310, 91896), (336, 84785), (372, 76580), (420, 67828), (434, 65640), (465, 61264), (496, 57435), (547, 52080), (560, 50871), (620, 45948), (651, 43760), (744, 38290), (840, 33914), (868, 32820), (930, 30632), (1085, 26256), (1094, 26040), (1240, 22974), (1302, 21880), (1488, 19145), (1641, 17360), (1680, 16957), (1736, 16410), (1860, 15316), (2170, 13128), (2188, 13020), (2480, 11487), (2604, 10940), (2735, 10416), (3255, 8752), (3282, 8680), (3472, 8205), (3720, 7658), (3829, 7440), (4340, 6564), (4376, 6510), (5208, 5470)]