638106662440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1\times {\mathrm{19603}}^1$

素因数の和:20747

約数の個数: 128

約数和(自身を含む): 1573950268800

約数和(自身を除く): 935843606360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 1061, 1180, 1534, 2122, 2360, 3068, 3835, 4244, 5305, 6136, 7670, 8488, 10610, 13793, 15340, 19603, 21220, 27586, 30680, 39206, 42440, 55172, 62599, 68965, 78412, 98015, 110344, 125198, 137930, 156824, 196030, 250396, 254839, 275860, 312995, 392060, 500792, 509678, 551720, 625990, 784120, 813787, 1019356, 1156577, 1251980, 1274195, 1627574, 2038712, 2313154, 2503960, 2548390, 3255148, 4068935, 4626308, 5096780, 5782885, 6510296, 8137870, 9252616, 10193560, 11565770, 15035501, 16275740, 20798783, 23131540, 30071002, 32551480, 41597566, 46263080, 60142004, 75177505, 83195132, 103993915, 120284008, 150355010, 166390264, 207987830, 270384179, 300710020, 415975660, 540768358, 601420040, 831951320, 1081536716, 1227128197, 1351920895, 2163073432, 2454256394, 2703841790, 4908512788, 5407683580, 6135640985, 9817025576, 10815367160, 12271281970, 15952666561, 24542563940, 31905333122, 49085127880, 63810666244, 79763332805, 127621332488, 159526665610, 319053331220, 638106662440]

約数ペア:

[(1, 638106662440), (2, 319053331220), (4, 159526665610), (5, 127621332488), (8, 79763332805), (10, 63810666244), (13, 49085127880), (20, 31905333122), (26, 24542563940), (40, 15952666561), (52, 12271281970), (59, 10815367160), (65, 9817025576), (104, 6135640985), (118, 5407683580), (130, 4908512788), (236, 2703841790), (260, 2454256394), (295, 2163073432), (472, 1351920895), (520, 1227128197), (590, 1081536716), (767, 831951320), (1061, 601420040), (1180, 540768358), (1534, 415975660), (2122, 300710020), (2360, 270384179), (3068, 207987830), (3835, 166390264), (4244, 150355010), (5305, 120284008), (6136, 103993915), (7670, 83195132), (8488, 75177505), (10610, 60142004), (13793, 46263080), (15340, 41597566), (19603, 32551480), (21220, 30071002), (27586, 23131540), (30680, 20798783), (39206, 16275740), (42440, 15035501), (55172, 11565770), (62599, 10193560), (68965, 9252616), (78412, 8137870), (98015, 6510296), (110344, 5782885), (125198, 5096780), (137930, 4626308), (156824, 4068935), (196030, 3255148), (250396, 2548390), (254839, 2503960), (275860, 2313154), (312995, 2038712), (392060, 1627574), (500792, 1274195), (509678, 1251980), (551720, 1156577), (625990, 1019356), (784120, 813787)]