319981600

素因数分解:

$2^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 813697920

約数和(自身を除く): 493716320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 79, 80, 83, 100, 122, 158, 160, 166, 200, 244, 305, 316, 332, 395, 400, 415, 488, 610, 632, 664, 790, 800, 830, 976, 1220, 1264, 1328, 1525, 1580, 1660, 1952, 1975, 2075, 2440, 2528, 2656, 3050, 3160, 3320, 3950, 4150, 4819, 4880, 5063, 6100, 6320, 6557, 6640, 7900, 8300, 9638, 9760, 10126, 12200, 12640, 13114, 13280, 15800, 16600, 19276, 20252, 24095, 24400, 25315, 26228, 31600, 32785, 33200, 38552, 40504, 48190, 48800, 50630, 52456, 63200, 65570, 66400, 77104, 81008, 96380, 101260, 104912, 120475, 126575, 131140, 154208, 162016, 163925, 192760, 202520, 209824, 240950, 253150, 262280, 327850, 385520, 399977, 405040, 481900, 506300, 524560, 655700, 771040, 799954, 810080, 963800, 1012600, 1049120, 1311400, 1599908, 1927600, 1999885, 2025200, 2622800, 3199816, 3855200, 3999770, 4050400, 5245600, 6399632, 7999540, 9999425, 12799264, 15999080, 19998850, 31998160, 39997700, 63996320, 79995400, 159990800, 319981600]

約数ペア:

[(1, 319981600), (2, 159990800), (4, 79995400), (5, 63996320), (8, 39997700), (10, 31998160), (16, 19998850), (20, 15999080), (25, 12799264), (32, 9999425), (40, 7999540), (50, 6399632), (61, 5245600), (79, 4050400), (80, 3999770), (83, 3855200), (100, 3199816), (122, 2622800), (158, 2025200), (160, 1999885), (166, 1927600), (200, 1599908), (244, 1311400), (305, 1049120), (316, 1012600), (332, 963800), (395, 810080), (400, 799954), (415, 771040), (488, 655700), (610, 524560), (632, 506300), (664, 481900), (790, 405040), (800, 399977), (830, 385520), (976, 327850), (1220, 262280), (1264, 253150), (1328, 240950), (1525, 209824), (1580, 202520), (1660, 192760), (1952, 163925), (1975, 162016), (2075, 154208), (2440, 131140), (2528, 126575), (2656, 120475), (3050, 104912), (3160, 101260), (3320, 96380), (3950, 81008), (4150, 77104), (4819, 66400), (4880, 65570), (5063, 63200), (6100, 52456), (6320, 50630), (6557, 48800), (6640, 48190), (7900, 40504), (8300, 38552), (9638, 33200), (9760, 32785), (10126, 31600), (12200, 26228), (12640, 25315), (13114, 24400), (13280, 24095), (15800, 20252), (16600, 19276)]