68720520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:763

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 159375480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 316, 330, 395, 440, 474, 632, 659, 660, 790, 869, 948, 1185, 1318, 1320, 1580, 1738, 1896, 1977, 2370, 2607, 2636, 3160, 3295, 3476, 3954, 4345, 4740, 5214, 5272, 6590, 6952, 7249, 7908, 8690, 9480, 9885, 10428, 13035, 13180, 14498, 15816, 17380, 19770, 20856, 21747, 26070, 26360, 28996, 34760, 36245, 39540, 43494, 52061, 52140, 57992, 72490, 79080, 86988, 104122, 104280, 108735, 144980, 156183, 173976, 208244, 217470, 260305, 289960, 312366, 416488, 434940, 520610, 572671, 624732, 780915, 869880, 1041220, 1145342, 1249464, 1561830, 1718013, 2082440, 2290684, 2863355, 3123660, 3436026, 4581368, 5726710, 6247320, 6872052, 8590065, 11453420, 13744104, 17180130, 22906840, 34360260, 68720520]

約数ペア:

[(1, 68720520), (2, 34360260), (3, 22906840), (4, 17180130), (5, 13744104), (6, 11453420), (8, 8590065), (10, 6872052), (11, 6247320), (12, 5726710), (15, 4581368), (20, 3436026), (22, 3123660), (24, 2863355), (30, 2290684), (33, 2082440), (40, 1718013), (44, 1561830), (55, 1249464), (60, 1145342), (66, 1041220), (79, 869880), (88, 780915), (110, 624732), (120, 572671), (132, 520610), (158, 434940), (165, 416488), (220, 312366), (237, 289960), (264, 260305), (316, 217470), (330, 208244), (395, 173976), (440, 156183), (474, 144980), (632, 108735), (659, 104280), (660, 104122), (790, 86988), (869, 79080), (948, 72490), (1185, 57992), (1318, 52140), (1320, 52061), (1580, 43494), (1738, 39540), (1896, 36245), (1977, 34760), (2370, 28996), (2607, 26360), (2636, 26070), (3160, 21747), (3295, 20856), (3476, 19770), (3954, 17380), (4345, 15816), (4740, 14498), (5214, 13180), (5272, 13035), (6590, 10428), (6952, 9885), (7249, 9480), (7908, 8690)]