681093760

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:826

約数の個数: 128

約数和(自身を含む): 1738080000

約数和(自身を除く): 1056986240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 79, 80, 95, 128, 152, 158, 160, 190, 304, 316, 320, 380, 395, 608, 632, 640, 709, 760, 790, 1216, 1264, 1418, 1501, 1520, 1580, 2432, 2528, 2836, 3002, 3040, 3160, 3545, 5056, 5672, 6004, 6080, 6320, 7090, 7505, 10112, 11344, 12008, 12160, 12640, 13471, 14180, 15010, 22688, 24016, 25280, 26942, 28360, 30020, 45376, 48032, 50560, 53884, 56011, 56720, 60040, 67355, 90752, 96064, 107768, 112022, 113440, 120080, 134710, 192128, 215536, 224044, 226880, 240160, 269420, 280055, 431072, 448088, 453760, 480320, 538840, 560110, 862144, 896176, 960640, 1064209, 1077680, 1120220, 1724288, 1792352, 2128418, 2155360, 2240440, 3584704, 4256836, 4310720, 4480880, 5321045, 7169408, 8513672, 8621440, 8961760, 10642090, 17027344, 17923520, 21284180, 34054688, 35847040, 42568360, 68109376, 85136720, 136218752, 170273440, 340546880, 681093760]

約数ペア:

[(1, 681093760), (2, 340546880), (4, 170273440), (5, 136218752), (8, 85136720), (10, 68109376), (16, 42568360), (19, 35847040), (20, 34054688), (32, 21284180), (38, 17923520), (40, 17027344), (64, 10642090), (76, 8961760), (79, 8621440), (80, 8513672), (95, 7169408), (128, 5321045), (152, 4480880), (158, 4310720), (160, 4256836), (190, 3584704), (304, 2240440), (316, 2155360), (320, 2128418), (380, 1792352), (395, 1724288), (608, 1120220), (632, 1077680), (640, 1064209), (709, 960640), (760, 896176), (790, 862144), (1216, 560110), (1264, 538840), (1418, 480320), (1501, 453760), (1520, 448088), (1580, 431072), (2432, 280055), (2528, 269420), (2836, 240160), (3002, 226880), (3040, 224044), (3160, 215536), (3545, 192128), (5056, 134710), (5672, 120080), (6004, 113440), (6080, 112022), (6320, 107768), (7090, 96064), (7505, 90752), (10112, 67355), (11344, 60040), (12008, 56720), (12160, 56011), (12640, 53884), (13471, 50560), (14180, 48032), (15010, 45376), (22688, 30020), (24016, 28360), (25280, 26942)]