77430320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 208788720

約数和(自身を除く): 131358400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 176, 190, 209, 220, 242, 304, 380, 418, 421, 440, 484, 605, 760, 836, 842, 880, 968, 1045, 1210, 1520, 1672, 1684, 1936, 2090, 2105, 2299, 2420, 3344, 3368, 4180, 4210, 4598, 4631, 4840, 6736, 7999, 8360, 8420, 9196, 9262, 9680, 11495, 15998, 16720, 16840, 18392, 18524, 22990, 23155, 31996, 33680, 36784, 37048, 39995, 45980, 46310, 50941, 63992, 74096, 79990, 87989, 91960, 92620, 101882, 127984, 159980, 175978, 183920, 185240, 203764, 254705, 319960, 351956, 370480, 407528, 439945, 509410, 639920, 703912, 815056, 879890, 967879, 1018820, 1407824, 1759780, 1935758, 2037640, 3519560, 3871516, 4075280, 4839395, 7039120, 7743032, 9678790, 15486064, 19357580, 38715160, 77430320]

約数ペア:

[(1, 77430320), (2, 38715160), (4, 19357580), (5, 15486064), (8, 9678790), (10, 7743032), (11, 7039120), (16, 4839395), (19, 4075280), (20, 3871516), (22, 3519560), (38, 2037640), (40, 1935758), (44, 1759780), (55, 1407824), (76, 1018820), (80, 967879), (88, 879890), (95, 815056), (110, 703912), (121, 639920), (152, 509410), (176, 439945), (190, 407528), (209, 370480), (220, 351956), (242, 319960), (304, 254705), (380, 203764), (418, 185240), (421, 183920), (440, 175978), (484, 159980), (605, 127984), (760, 101882), (836, 92620), (842, 91960), (880, 87989), (968, 79990), (1045, 74096), (1210, 63992), (1520, 50941), (1672, 46310), (1684, 45980), (1936, 39995), (2090, 37048), (2105, 36784), (2299, 33680), (2420, 31996), (3344, 23155), (3368, 22990), (4180, 18524), (4210, 18392), (4598, 16840), (4631, 16720), (4840, 15998), (6736, 11495), (7999, 9680), (8360, 9262), (8420, 9196)]