127313680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 160

約数和(自身を含む): 356227200

約数和(自身を除く): 228913520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 170, 190, 208, 221, 247, 260, 272, 304, 323, 340, 379, 380, 442, 494, 520, 646, 680, 758, 760, 884, 988, 1040, 1105, 1235, 1292, 1360, 1516, 1520, 1615, 1768, 1895, 1976, 2210, 2470, 2584, 3032, 3230, 3536, 3790, 3952, 4199, 4420, 4927, 4940, 5168, 6064, 6443, 6460, 7201, 7580, 8398, 8840, 9854, 9880, 12886, 12920, 14402, 15160, 16796, 17680, 19708, 19760, 20995, 24635, 25772, 25840, 28804, 30320, 32215, 33592, 36005, 39416, 41990, 49270, 51544, 57608, 64430, 67184, 72010, 78832, 83759, 83980, 93613, 98540, 103088, 115216, 122417, 128860, 144020, 167518, 167960, 187226, 197080, 244834, 257720, 288040, 335036, 335920, 374452, 394160, 418795, 468065, 489668, 515440, 576080, 612085, 670072, 748904, 837590, 936130, 979336, 1224170, 1340144, 1497808, 1591421, 1675180, 1872260, 1958672, 2448340, 3182842, 3350360, 3744520, 4896680, 6365684, 6700720, 7489040, 7957105, 9793360, 12731368, 15914210, 25462736, 31828420, 63656840, 127313680]

約数ペア:

[(1, 127313680), (2, 63656840), (4, 31828420), (5, 25462736), (8, 15914210), (10, 12731368), (13, 9793360), (16, 7957105), (17, 7489040), (19, 6700720), (20, 6365684), (26, 4896680), (34, 3744520), (38, 3350360), (40, 3182842), (52, 2448340), (65, 1958672), (68, 1872260), (76, 1675180), (80, 1591421), (85, 1497808), (95, 1340144), (104, 1224170), (130, 979336), (136, 936130), (152, 837590), (170, 748904), (190, 670072), (208, 612085), (221, 576080), (247, 515440), (260, 489668), (272, 468065), (304, 418795), (323, 394160), (340, 374452), (379, 335920), (380, 335036), (442, 288040), (494, 257720), (520, 244834), (646, 197080), (680, 187226), (758, 167960), (760, 167518), (884, 144020), (988, 128860), (1040, 122417), (1105, 115216), (1235, 103088), (1292, 98540), (1360, 93613), (1516, 83980), (1520, 83759), (1615, 78832), (1768, 72010), (1895, 67184), (1976, 64430), (2210, 57608), (2470, 51544), (2584, 49270), (3032, 41990), (3230, 39416), (3536, 36005), (3790, 33592), (3952, 32215), (4199, 30320), (4420, 28804), (4927, 25840), (4940, 25772), (5168, 24635), (6064, 20995), (6443, 19760), (6460, 19708), (7201, 17680), (7580, 16796), (8398, 15160), (8840, 14402), (9854, 12920), (9880, 12886)]