489586720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 192

約数和(自身を含む): 1393459200

約数和(自身を除く): 903872480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 59, 62, 70, 80, 112, 118, 124, 140, 155, 160, 217, 224, 236, 239, 248, 280, 295, 310, 413, 434, 472, 478, 496, 560, 590, 620, 826, 868, 944, 956, 992, 1085, 1120, 1180, 1195, 1240, 1652, 1673, 1736, 1829, 1888, 1912, 2065, 2170, 2360, 2390, 2480, 3304, 3346, 3472, 3658, 3824, 4130, 4340, 4720, 4780, 4960, 6608, 6692, 6944, 7316, 7409, 7648, 8260, 8365, 8680, 9145, 9440, 9560, 12803, 13216, 13384, 14101, 14632, 14818, 16520, 16730, 17360, 18290, 19120, 25606, 26768, 28202, 29264, 29636, 33040, 33460, 34720, 36580, 37045, 38240, 51212, 51863, 53536, 56404, 58528, 59272, 64015, 66080, 66920, 70505, 73160, 74090, 98707, 102424, 103726, 112808, 118544, 128030, 133840, 141010, 146320, 148180, 197414, 204848, 207452, 225616, 237088, 256060, 259315, 267680, 282020, 292640, 296360, 394828, 409696, 414904, 437131, 451232, 493535, 512120, 518630, 564040, 592720, 789656, 829808, 874262, 987070, 1024240, 1037260, 1128080, 1185440, 1579312, 1659616, 1748524, 1974140, 2048480, 2074520, 2185655, 2256160, 3059917, 3158624, 3497048, 3948280, 4149040, 4371310, 6119834, 6994096, 7896560, 8298080, 8742620, 12239668, 13988192, 15299585, 15793120, 17485240, 24479336, 30599170, 34970480, 48958672, 61198340, 69940960, 97917344, 122396680, 244793360, 489586720]

約数ペア:

[(1, 489586720), (2, 244793360), (4, 122396680), (5, 97917344), (7, 69940960), (8, 61198340), (10, 48958672), (14, 34970480), (16, 30599170), (20, 24479336), (28, 17485240), (31, 15793120), (32, 15299585), (35, 13988192), (40, 12239668), (56, 8742620), (59, 8298080), (62, 7896560), (70, 6994096), (80, 6119834), (112, 4371310), (118, 4149040), (124, 3948280), (140, 3497048), (155, 3158624), (160, 3059917), (217, 2256160), (224, 2185655), (236, 2074520), (239, 2048480), (248, 1974140), (280, 1748524), (295, 1659616), (310, 1579312), (413, 1185440), (434, 1128080), (472, 1037260), (478, 1024240), (496, 987070), (560, 874262), (590, 829808), (620, 789656), (826, 592720), (868, 564040), (944, 518630), (956, 512120), (992, 493535), (1085, 451232), (1120, 437131), (1180, 414904), (1195, 409696), (1240, 394828), (1652, 296360), (1673, 292640), (1736, 282020), (1829, 267680), (1888, 259315), (1912, 256060), (2065, 237088), (2170, 225616), (2360, 207452), (2390, 204848), (2480, 197414), (3304, 148180), (3346, 146320), (3472, 141010), (3658, 133840), (3824, 128030), (4130, 118544), (4340, 112808), (4720, 103726), (4780, 102424), (4960, 98707), (6608, 74090), (6692, 73160), (6944, 70505), (7316, 66920), (7409, 66080), (7648, 64015), (8260, 59272), (8365, 58528), (8680, 56404), (9145, 53536), (9440, 51863), (9560, 51212), (12803, 38240), (13216, 37045), (13384, 36580), (14101, 34720), (14632, 33460), (14818, 33040), (16520, 29636), (16730, 29264), (17360, 28202), (18290, 26768), (19120, 25606)]