28266420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 101154816

約数和(自身を除く): 72888396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 167, 182, 186, 195, 210, 217, 260, 273, 310, 334, 364, 372, 390, 403, 420, 434, 455, 465, 501, 546, 620, 651, 668, 780, 806, 835, 868, 910, 930, 1002, 1085, 1092, 1169, 1209, 1302, 1365, 1612, 1670, 1820, 1860, 2004, 2015, 2170, 2171, 2338, 2418, 2505, 2604, 2730, 2821, 3255, 3340, 3507, 4030, 4340, 4342, 4676, 4836, 5010, 5177, 5460, 5642, 5845, 6045, 6510, 6513, 7014, 8060, 8463, 8684, 10020, 10354, 10855, 11284, 11690, 12090, 13020, 13026, 14028, 14105, 15197, 15531, 16926, 17535, 20708, 21710, 23380, 24180, 25885, 26052, 28210, 30394, 31062, 32565, 33852, 35070, 36239, 42315, 43420, 45591, 51770, 56420, 60788, 62124, 65130, 67301, 70140, 72478, 75985, 77655, 84630, 91182, 103540, 108717, 130260, 134602, 144956, 151970, 155310, 169260, 181195, 182364, 201903, 217434, 227955, 269204, 303940, 310620, 336505, 362390, 403806, 434868, 455910, 471107, 543585, 673010, 724780, 807612, 911820, 942214, 1009515, 1087170, 1346020, 1413321, 1884428, 2019030, 2174340, 2355535, 2826642, 4038060, 4711070, 5653284, 7066605, 9422140, 14133210, 28266420]

約数ペア:

[(1, 28266420), (2, 14133210), (3, 9422140), (4, 7066605), (5, 5653284), (6, 4711070), (7, 4038060), (10, 2826642), (12, 2355535), (13, 2174340), (14, 2019030), (15, 1884428), (20, 1413321), (21, 1346020), (26, 1087170), (28, 1009515), (30, 942214), (31, 911820), (35, 807612), (39, 724780), (42, 673010), (52, 543585), (60, 471107), (62, 455910), (65, 434868), (70, 403806), (78, 362390), (84, 336505), (91, 310620), (93, 303940), (105, 269204), (124, 227955), (130, 217434), (140, 201903), (155, 182364), (156, 181195), (167, 169260), (182, 155310), (186, 151970), (195, 144956), (210, 134602), (217, 130260), (260, 108717), (273, 103540), (310, 91182), (334, 84630), (364, 77655), (372, 75985), (390, 72478), (403, 70140), (420, 67301), (434, 65130), (455, 62124), (465, 60788), (501, 56420), (546, 51770), (620, 45591), (651, 43420), (668, 42315), (780, 36239), (806, 35070), (835, 33852), (868, 32565), (910, 31062), (930, 30394), (1002, 28210), (1085, 26052), (1092, 25885), (1169, 24180), (1209, 23380), (1302, 21710), (1365, 20708), (1612, 17535), (1670, 16926), (1820, 15531), (1860, 15197), (2004, 14105), (2015, 14028), (2170, 13026), (2171, 13020), (2338, 12090), (2418, 11690), (2505, 11284), (2604, 10855), (2730, 10354), (2821, 10020), (3255, 8684), (3340, 8463), (3507, 8060), (4030, 7014), (4340, 6513), (4342, 6510), (4676, 6045), (4836, 5845), (5010, 5642), (5177, 5460)]