77171940

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 168

約数和(自身を含む): 249728640

約数和(自身を除く): 172556700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 79, 81, 90, 108, 134, 135, 158, 162, 180, 201, 237, 243, 268, 270, 316, 324, 335, 395, 402, 405, 474, 486, 540, 603, 670, 711, 729, 790, 804, 810, 948, 972, 1005, 1185, 1206, 1215, 1340, 1422, 1458, 1580, 1620, 1809, 2010, 2133, 2370, 2412, 2430, 2844, 2916, 3015, 3555, 3618, 3645, 4020, 4266, 4740, 4860, 5293, 5427, 6030, 6399, 7110, 7236, 7290, 8532, 9045, 10586, 10665, 10854, 12060, 12798, 14220, 14580, 15879, 16281, 18090, 19197, 21172, 21330, 21708, 25596, 26465, 27135, 31758, 31995, 32562, 36180, 38394, 42660, 47637, 48843, 52930, 54270, 57591, 63516, 63990, 65124, 76788, 79395, 81405, 95274, 95985, 97686, 105860, 108540, 115182, 127980, 142911, 158790, 162810, 190548, 191970, 195372, 230364, 238185, 244215, 285822, 287955, 317580, 325620, 383940, 428733, 476370, 488430, 571644, 575910, 714555, 857466, 952740, 976860, 1151820, 1286199, 1429110, 1714932, 2143665, 2572398, 2858220, 3858597, 4287330, 5144796, 6430995, 7717194, 8574660, 12861990, 15434388, 19292985, 25723980, 38585970, 77171940]

約数ペア:

[(1, 77171940), (2, 38585970), (3, 25723980), (4, 19292985), (5, 15434388), (6, 12861990), (9, 8574660), (10, 7717194), (12, 6430995), (15, 5144796), (18, 4287330), (20, 3858597), (27, 2858220), (30, 2572398), (36, 2143665), (45, 1714932), (54, 1429110), (60, 1286199), (67, 1151820), (79, 976860), (81, 952740), (90, 857466), (108, 714555), (134, 575910), (135, 571644), (158, 488430), (162, 476370), (180, 428733), (201, 383940), (237, 325620), (243, 317580), (268, 287955), (270, 285822), (316, 244215), (324, 238185), (335, 230364), (395, 195372), (402, 191970), (405, 190548), (474, 162810), (486, 158790), (540, 142911), (603, 127980), (670, 115182), (711, 108540), (729, 105860), (790, 97686), (804, 95985), (810, 95274), (948, 81405), (972, 79395), (1005, 76788), (1185, 65124), (1206, 63990), (1215, 63516), (1340, 57591), (1422, 54270), (1458, 52930), (1580, 48843), (1620, 47637), (1809, 42660), (2010, 38394), (2133, 36180), (2370, 32562), (2412, 31995), (2430, 31758), (2844, 27135), (2916, 26465), (3015, 25596), (3555, 21708), (3618, 21330), (3645, 21172), (4020, 19197), (4266, 18090), (4740, 16281), (4860, 15879), (5293, 14580), (5427, 14220), (6030, 12798), (6399, 12060), (7110, 10854), (7236, 10665), (7290, 10586), (8532, 9045)]