145546240

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 176

約数和(自身を含む): 415033344

約数和(自身を除く): 269487104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 131, 140, 155, 160, 217, 224, 248, 256, 262, 280, 310, 320, 434, 448, 496, 512, 524, 560, 620, 640, 655, 868, 896, 917, 992, 1024, 1048, 1085, 1120, 1240, 1280, 1310, 1736, 1792, 1834, 1984, 2096, 2170, 2240, 2480, 2560, 2620, 3472, 3584, 3668, 3968, 4061, 4192, 4340, 4480, 4585, 4960, 5120, 5240, 6944, 7168, 7336, 7936, 8122, 8384, 8680, 8960, 9170, 9920, 10480, 13888, 14672, 15872, 16244, 16768, 17360, 17920, 18340, 19840, 20305, 20960, 27776, 28427, 29344, 31744, 32488, 33536, 34720, 35840, 36680, 39680, 40610, 41920, 55552, 56854, 58688, 64976, 67072, 69440, 73360, 79360, 81220, 83840, 111104, 113708, 117376, 129952, 134144, 138880, 142135, 146720, 158720, 162440, 167680, 222208, 227416, 234752, 259904, 277760, 284270, 293440, 324880, 335360, 454832, 469504, 519808, 555520, 568540, 586880, 649760, 670720, 909664, 939008, 1039616, 1111040, 1137080, 1173760, 1299520, 1819328, 2079232, 2274160, 2347520, 2599040, 3638656, 4158464, 4548320, 4695040, 5198080, 7277312, 9096640, 10396160, 14554624, 18193280, 20792320, 29109248, 36386560, 72773120, 145546240]

約数ペア:

[(1, 145546240), (2, 72773120), (4, 36386560), (5, 29109248), (7, 20792320), (8, 18193280), (10, 14554624), (14, 10396160), (16, 9096640), (20, 7277312), (28, 5198080), (31, 4695040), (32, 4548320), (35, 4158464), (40, 3638656), (56, 2599040), (62, 2347520), (64, 2274160), (70, 2079232), (80, 1819328), (112, 1299520), (124, 1173760), (128, 1137080), (131, 1111040), (140, 1039616), (155, 939008), (160, 909664), (217, 670720), (224, 649760), (248, 586880), (256, 568540), (262, 555520), (280, 519808), (310, 469504), (320, 454832), (434, 335360), (448, 324880), (496, 293440), (512, 284270), (524, 277760), (560, 259904), (620, 234752), (640, 227416), (655, 222208), (868, 167680), (896, 162440), (917, 158720), (992, 146720), (1024, 142135), (1048, 138880), (1085, 134144), (1120, 129952), (1240, 117376), (1280, 113708), (1310, 111104), (1736, 83840), (1792, 81220), (1834, 79360), (1984, 73360), (2096, 69440), (2170, 67072), (2240, 64976), (2480, 58688), (2560, 56854), (2620, 55552), (3472, 41920), (3584, 40610), (3668, 39680), (3968, 36680), (4061, 35840), (4192, 34720), (4340, 33536), (4480, 32488), (4585, 31744), (4960, 29344), (5120, 28427), (5240, 27776), (6944, 20960), (7168, 20305), (7336, 19840), (7936, 18340), (8122, 17920), (8384, 17360), (8680, 16768), (8960, 16244), (9170, 15872), (9920, 14672), (10480, 13888)]