78852280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 210470400

約数和(自身を除く): 131618120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 299, 347, 380, 437, 460, 494, 520, 598, 694, 760, 874, 920, 988, 1196, 1235, 1388, 1495, 1735, 1748, 1976, 2185, 2392, 2470, 2776, 2990, 3470, 3496, 4370, 4511, 4940, 5681, 5980, 6593, 6940, 7981, 8740, 9022, 9880, 11362, 11960, 13186, 13880, 15962, 17480, 18044, 22555, 22724, 26372, 28405, 31924, 32965, 36088, 39905, 45110, 45448, 52744, 56810, 63848, 65930, 79810, 85709, 90220, 103753, 113620, 131860, 151639, 159620, 171418, 180440, 207506, 227240, 263720, 303278, 319240, 342836, 415012, 428545, 518765, 606556, 685672, 758195, 830024, 857090, 1037530, 1213112, 1516390, 1714180, 1971307, 2075060, 3032780, 3428360, 3942614, 4150120, 6065560, 7885228, 9856535, 15770456, 19713070, 39426140, 78852280]

約数ペア:

[(1, 78852280), (2, 39426140), (4, 19713070), (5, 15770456), (8, 9856535), (10, 7885228), (13, 6065560), (19, 4150120), (20, 3942614), (23, 3428360), (26, 3032780), (38, 2075060), (40, 1971307), (46, 1714180), (52, 1516390), (65, 1213112), (76, 1037530), (92, 857090), (95, 830024), (104, 758195), (115, 685672), (130, 606556), (152, 518765), (184, 428545), (190, 415012), (230, 342836), (247, 319240), (260, 303278), (299, 263720), (347, 227240), (380, 207506), (437, 180440), (460, 171418), (494, 159620), (520, 151639), (598, 131860), (694, 113620), (760, 103753), (874, 90220), (920, 85709), (988, 79810), (1196, 65930), (1235, 63848), (1388, 56810), (1495, 52744), (1735, 45448), (1748, 45110), (1976, 39905), (2185, 36088), (2392, 32965), (2470, 31924), (2776, 28405), (2990, 26372), (3470, 22724), (3496, 22555), (4370, 18044), (4511, 17480), (4940, 15962), (5681, 13880), (5980, 13186), (6593, 11960), (6940, 11362), (7981, 9880), (8740, 9022)]