28565880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1149

約数の個数: 128

約数和(自身を含む): 101191680

約数和(自身を除く): 72625800

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, 1097, 1240, 1302, 1736, 1860, 2170, 2194, 2604, 3255, 3291, 3720, 4340, 4388, 5208, 5485, 6510, 6582, 7679, 8680, 8776, 10970, 13020, 13164, 15358, 16455, 21940, 23037, 26040, 26328, 30716, 32910, 34007, 38395, 43880, 46074, 61432, 65820, 68014, 76790, 92148, 102021, 115185, 131640, 136028, 153580, 170035, 184296, 204042, 230370, 238049, 272056, 307160, 340070, 408084, 460740, 476098, 510105, 680140, 714147, 816168, 921480, 952196, 1020210, 1190245, 1360280, 1428294, 1904392, 2040420, 2380490, 2856588, 3570735, 4080840, 4760980, 5713176, 7141470, 9521960, 14282940, 28565880]

約数ペア:

[(1, 28565880), (2, 14282940), (3, 9521960), (4, 7141470), (5, 5713176), (6, 4760980), (7, 4080840), (8, 3570735), (10, 2856588), (12, 2380490), (14, 2040420), (15, 1904392), (20, 1428294), (21, 1360280), (24, 1190245), (28, 1020210), (30, 952196), (31, 921480), (35, 816168), (40, 714147), (42, 680140), (56, 510105), (60, 476098), (62, 460740), (70, 408084), (84, 340070), (93, 307160), (105, 272056), (120, 238049), (124, 230370), (140, 204042), (155, 184296), (168, 170035), (186, 153580), (210, 136028), (217, 131640), (248, 115185), (280, 102021), (310, 92148), (372, 76790), (420, 68014), (434, 65820), (465, 61432), (620, 46074), (651, 43880), (744, 38395), (840, 34007), (868, 32910), (930, 30716), (1085, 26328), (1097, 26040), (1240, 23037), (1302, 21940), (1736, 16455), (1860, 15358), (2170, 13164), (2194, 13020), (2604, 10970), (3255, 8776), (3291, 8680), (3720, 7679), (4340, 6582), (4388, 6510), (5208, 5485)]