28128540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 95800320

約数和(自身を除く): 67671780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 23, 30, 33, 34, 44, 46, 51, 55, 60, 66, 68, 69, 85, 92, 102, 109, 110, 115, 132, 138, 165, 170, 187, 204, 218, 220, 230, 253, 255, 276, 327, 330, 340, 345, 374, 391, 436, 460, 506, 510, 545, 561, 654, 660, 690, 748, 759, 782, 935, 1012, 1020, 1090, 1122, 1173, 1199, 1265, 1308, 1380, 1518, 1564, 1635, 1853, 1870, 1955, 2180, 2244, 2346, 2398, 2507, 2530, 2805, 3036, 3270, 3597, 3706, 3740, 3795, 3910, 4301, 4692, 4796, 5014, 5060, 5559, 5610, 5865, 5995, 6540, 7194, 7412, 7521, 7590, 7820, 8602, 9265, 10028, 11118, 11220, 11730, 11990, 12535, 12903, 14388, 15042, 15180, 17204, 17985, 18530, 20383, 21505, 22236, 23460, 23980, 25070, 25806, 27577, 27795, 30084, 35970, 37060, 37605, 40766, 42619, 43010, 50140, 51612, 55154, 55590, 61149, 64515, 71940, 75210, 81532, 82731, 85238, 86020, 101915, 110308, 111180, 122298, 127857, 129030, 137885, 150420, 165462, 170476, 203830, 213095, 244596, 255714, 258060, 275770, 305745, 330924, 407660, 413655, 426190, 468809, 511428, 551540, 611490, 639285, 827310, 852380, 937618, 1222980, 1278570, 1406427, 1654620, 1875236, 2344045, 2557140, 2812854, 4688090, 5625708, 7032135, 9376180, 14064270, 28128540]

約数ペア:

[(1, 28128540), (2, 14064270), (3, 9376180), (4, 7032135), (5, 5625708), (6, 4688090), (10, 2812854), (11, 2557140), (12, 2344045), (15, 1875236), (17, 1654620), (20, 1406427), (22, 1278570), (23, 1222980), (30, 937618), (33, 852380), (34, 827310), (44, 639285), (46, 611490), (51, 551540), (55, 511428), (60, 468809), (66, 426190), (68, 413655), (69, 407660), (85, 330924), (92, 305745), (102, 275770), (109, 258060), (110, 255714), (115, 244596), (132, 213095), (138, 203830), (165, 170476), (170, 165462), (187, 150420), (204, 137885), (218, 129030), (220, 127857), (230, 122298), (253, 111180), (255, 110308), (276, 101915), (327, 86020), (330, 85238), (340, 82731), (345, 81532), (374, 75210), (391, 71940), (436, 64515), (460, 61149), (506, 55590), (510, 55154), (545, 51612), (561, 50140), (654, 43010), (660, 42619), (690, 40766), (748, 37605), (759, 37060), (782, 35970), (935, 30084), (1012, 27795), (1020, 27577), (1090, 25806), (1122, 25070), (1173, 23980), (1199, 23460), (1265, 22236), (1308, 21505), (1380, 20383), (1518, 18530), (1564, 17985), (1635, 17204), (1853, 15180), (1870, 15042), (1955, 14388), (2180, 12903), (2244, 12535), (2346, 11990), (2398, 11730), (2507, 11220), (2530, 11118), (2805, 10028), (3036, 9265), (3270, 8602), (3597, 7820), (3706, 7590), (3740, 7521), (3795, 7412), (3910, 7194), (4301, 6540), (4692, 5995), (4796, 5865), (5014, 5610), (5060, 5559)]