787231840

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1176

約数の個数: 96

約数和(自身を含む): 1916127360

約数和(自身を除く): 1128895520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 79, 80, 122, 158, 160, 244, 305, 316, 395, 488, 610, 632, 790, 976, 1021, 1220, 1264, 1580, 1952, 2042, 2440, 2528, 3160, 4084, 4819, 4880, 5105, 6320, 8168, 9638, 9760, 10210, 12640, 16336, 19276, 20420, 24095, 32672, 38552, 40840, 48190, 62281, 77104, 80659, 81680, 96380, 124562, 154208, 161318, 163360, 192760, 249124, 311405, 322636, 385520, 403295, 498248, 622810, 645272, 771040, 806590, 996496, 1245620, 1290544, 1613180, 1992992, 2491240, 2581088, 3226360, 4920199, 4982480, 6452720, 9840398, 9964960, 12905440, 19680796, 24600995, 39361592, 49201990, 78723184, 98403980, 157446368, 196807960, 393615920, 787231840]

約数ペア:

[(1, 787231840), (2, 393615920), (4, 196807960), (5, 157446368), (8, 98403980), (10, 78723184), (16, 49201990), (20, 39361592), (32, 24600995), (40, 19680796), (61, 12905440), (79, 9964960), (80, 9840398), (122, 6452720), (158, 4982480), (160, 4920199), (244, 3226360), (305, 2581088), (316, 2491240), (395, 1992992), (488, 1613180), (610, 1290544), (632, 1245620), (790, 996496), (976, 806590), (1021, 771040), (1220, 645272), (1264, 622810), (1580, 498248), (1952, 403295), (2042, 385520), (2440, 322636), (2528, 311405), (3160, 249124), (4084, 192760), (4819, 163360), (4880, 161318), (5105, 154208), (6320, 124562), (8168, 96380), (9638, 81680), (9760, 80659), (10210, 77104), (12640, 62281), (16336, 48190), (19276, 40840), (20420, 38552), (24095, 32672)]