77579840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1144

約数の個数: 112

約数和(自身を含む): 210842352

約数和(自身を除く): 133262512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1097, 1105, 1360, 1768, 2080, 2194, 2210, 2720, 3536, 4160, 4388, 4420, 5440, 5485, 7072, 8776, 8840, 10970, 14144, 14261, 17552, 17680, 18649, 21940, 28522, 35104, 35360, 37298, 43880, 57044, 70208, 70720, 71305, 74596, 87760, 93245, 114088, 142610, 149192, 175520, 186490, 228176, 242437, 285220, 298384, 351040, 372980, 456352, 484874, 570440, 596768, 745960, 912704, 969748, 1140880, 1193536, 1212185, 1491920, 1939496, 2281760, 2424370, 2983840, 3878992, 4563520, 4848740, 5967680, 7757984, 9697480, 15515968, 19394960, 38789920, 77579840]

約数ペア:

[(1, 77579840), (2, 38789920), (4, 19394960), (5, 15515968), (8, 9697480), (10, 7757984), (13, 5967680), (16, 4848740), (17, 4563520), (20, 3878992), (26, 2983840), (32, 2424370), (34, 2281760), (40, 1939496), (52, 1491920), (64, 1212185), (65, 1193536), (68, 1140880), (80, 969748), (85, 912704), (104, 745960), (130, 596768), (136, 570440), (160, 484874), (170, 456352), (208, 372980), (221, 351040), (260, 298384), (272, 285220), (320, 242437), (340, 228176), (416, 186490), (442, 175520), (520, 149192), (544, 142610), (680, 114088), (832, 93245), (884, 87760), (1040, 74596), (1088, 71305), (1097, 70720), (1105, 70208), (1360, 57044), (1768, 43880), (2080, 37298), (2194, 35360), (2210, 35104), (2720, 28522), (3536, 21940), (4160, 18649), (4388, 17680), (4420, 17552), (5440, 14261), (5485, 14144), (7072, 10970), (8776, 8840)]