67287880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 176774400

約数和(自身を除く): 109486520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 61, 88, 92, 109, 110, 115, 122, 184, 218, 220, 230, 244, 253, 305, 436, 440, 460, 488, 506, 545, 610, 671, 872, 920, 1012, 1090, 1199, 1220, 1265, 1342, 1403, 2024, 2180, 2398, 2440, 2507, 2530, 2684, 2806, 3355, 4360, 4796, 5014, 5060, 5368, 5612, 5995, 6649, 6710, 7015, 9592, 10028, 10120, 11224, 11990, 12535, 13298, 13420, 14030, 15433, 20056, 23980, 25070, 26596, 26840, 27577, 28060, 30866, 33245, 47960, 50140, 53192, 55154, 56120, 61732, 66490, 73139, 77165, 100280, 110308, 123464, 132980, 137885, 146278, 152927, 154330, 220616, 265960, 275770, 292556, 305854, 308660, 365695, 551540, 585112, 611708, 617320, 731390, 764635, 1103080, 1223416, 1462780, 1529270, 1682197, 2925560, 3058540, 3364394, 6117080, 6728788, 8410985, 13457576, 16821970, 33643940, 67287880]

約数ペア:

[(1, 67287880), (2, 33643940), (4, 16821970), (5, 13457576), (8, 8410985), (10, 6728788), (11, 6117080), (20, 3364394), (22, 3058540), (23, 2925560), (40, 1682197), (44, 1529270), (46, 1462780), (55, 1223416), (61, 1103080), (88, 764635), (92, 731390), (109, 617320), (110, 611708), (115, 585112), (122, 551540), (184, 365695), (218, 308660), (220, 305854), (230, 292556), (244, 275770), (253, 265960), (305, 220616), (436, 154330), (440, 152927), (460, 146278), (488, 137885), (506, 132980), (545, 123464), (610, 110308), (671, 100280), (872, 77165), (920, 73139), (1012, 66490), (1090, 61732), (1199, 56120), (1220, 55154), (1265, 53192), (1342, 50140), (1403, 47960), (2024, 33245), (2180, 30866), (2398, 28060), (2440, 27577), (2507, 26840), (2530, 26596), (2684, 25070), (2806, 23980), (3355, 20056), (4360, 15433), (4796, 14030), (5014, 13420), (5060, 13298), (5368, 12535), (5612, 11990), (5995, 11224), (6649, 10120), (6710, 10028), (7015, 9592)]