77887920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 266482944

約数和(自身を除く): 188595024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 163, 165, 176, 181, 220, 240, 264, 326, 330, 362, 440, 489, 528, 543, 652, 660, 724, 815, 880, 905, 978, 1086, 1304, 1320, 1448, 1630, 1793, 1810, 1956, 1991, 2172, 2445, 2608, 2640, 2715, 2896, 3260, 3586, 3620, 3912, 3982, 4344, 4890, 5379, 5430, 5973, 6520, 7172, 7240, 7824, 7964, 8688, 8965, 9780, 9955, 10758, 10860, 11946, 13040, 14344, 14480, 15928, 17930, 19560, 19910, 21516, 21720, 23892, 26895, 28688, 29503, 29865, 31856, 35860, 39120, 39820, 43032, 43440, 47784, 53790, 59006, 59730, 71720, 79640, 86064, 88509, 95568, 107580, 118012, 119460, 143440, 147515, 159280, 177018, 215160, 236024, 238920, 295030, 324533, 354036, 430320, 442545, 472048, 477840, 590060, 649066, 708072, 885090, 973599, 1180120, 1298132, 1416144, 1622665, 1770180, 1947198, 2360240, 2596264, 3245330, 3540360, 3894396, 4867995, 5192528, 6490660, 7080720, 7788792, 9735990, 12981320, 15577584, 19471980, 25962640, 38943960, 77887920]

約数ペア:

[(1, 77887920), (2, 38943960), (3, 25962640), (4, 19471980), (5, 15577584), (6, 12981320), (8, 9735990), (10, 7788792), (11, 7080720), (12, 6490660), (15, 5192528), (16, 4867995), (20, 3894396), (22, 3540360), (24, 3245330), (30, 2596264), (33, 2360240), (40, 1947198), (44, 1770180), (48, 1622665), (55, 1416144), (60, 1298132), (66, 1180120), (80, 973599), (88, 885090), (110, 708072), (120, 649066), (132, 590060), (163, 477840), (165, 472048), (176, 442545), (181, 430320), (220, 354036), (240, 324533), (264, 295030), (326, 238920), (330, 236024), (362, 215160), (440, 177018), (489, 159280), (528, 147515), (543, 143440), (652, 119460), (660, 118012), (724, 107580), (815, 95568), (880, 88509), (905, 86064), (978, 79640), (1086, 71720), (1304, 59730), (1320, 59006), (1448, 53790), (1630, 47784), (1793, 43440), (1810, 43032), (1956, 39820), (1991, 39120), (2172, 35860), (2445, 31856), (2608, 29865), (2640, 29503), (2715, 28688), (2896, 26895), (3260, 23892), (3586, 21720), (3620, 21516), (3912, 19910), (3982, 19560), (4344, 17930), (4890, 15928), (5379, 14480), (5430, 14344), (5973, 13040), (6520, 11946), (7172, 10860), (7240, 10758), (7824, 9955), (7964, 9780), (8688, 8965)]