177919980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:928

約数の個数: 144

約数和(自身を含む): 588157920

約数和(自身を除く): 410237940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 210, 219, 245, 292, 294, 365, 420, 438, 490, 511, 588, 730, 735, 829, 876, 980, 1022, 1095, 1460, 1470, 1533, 1658, 2044, 2190, 2487, 2555, 2940, 3066, 3316, 3577, 4145, 4380, 4974, 5110, 5803, 6132, 7154, 7665, 8290, 9948, 10220, 10731, 11606, 12435, 14308, 15330, 16580, 17409, 17885, 21462, 23212, 24870, 29015, 30660, 34818, 35770, 40621, 42924, 49740, 53655, 58030, 60517, 69636, 71540, 81242, 87045, 107310, 116060, 121034, 121863, 162484, 174090, 181551, 203105, 214620, 242068, 243726, 302585, 348180, 363102, 406210, 423619, 487452, 605170, 609315, 726204, 812420, 847238, 907755, 1210340, 1218630, 1270857, 1694476, 1815510, 2118095, 2437260, 2541714, 2965333, 3631020, 4236190, 5083428, 5930666, 6354285, 8472380, 8895999, 11861332, 12708570, 14826665, 17791998, 25417140, 29653330, 35583996, 44479995, 59306660, 88959990, 177919980]

約数ペア:

[(1, 177919980), (2, 88959990), (3, 59306660), (4, 44479995), (5, 35583996), (6, 29653330), (7, 25417140), (10, 17791998), (12, 14826665), (14, 12708570), (15, 11861332), (20, 8895999), (21, 8472380), (28, 6354285), (30, 5930666), (35, 5083428), (42, 4236190), (49, 3631020), (60, 2965333), (70, 2541714), (73, 2437260), (84, 2118095), (98, 1815510), (105, 1694476), (140, 1270857), (146, 1218630), (147, 1210340), (196, 907755), (210, 847238), (219, 812420), (245, 726204), (292, 609315), (294, 605170), (365, 487452), (420, 423619), (438, 406210), (490, 363102), (511, 348180), (588, 302585), (730, 243726), (735, 242068), (829, 214620), (876, 203105), (980, 181551), (1022, 174090), (1095, 162484), (1460, 121863), (1470, 121034), (1533, 116060), (1658, 107310), (2044, 87045), (2190, 81242), (2487, 71540), (2555, 69636), (2940, 60517), (3066, 58030), (3316, 53655), (3577, 49740), (4145, 42924), (4380, 40621), (4974, 35770), (5110, 34818), (5803, 30660), (6132, 29015), (7154, 24870), (7665, 23212), (8290, 21462), (9948, 17885), (10220, 17409), (10731, 16580), (11606, 15330), (12435, 14308)]