2851146880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1097}}^1$

素因数の和:1278

約数の個数: 128

約数和(自身を含む): 7096066560

約数和(自身を除く): 4244919680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 131, 155, 160, 248, 262, 310, 320, 496, 524, 620, 640, 655, 992, 1048, 1097, 1240, 1310, 1984, 2096, 2194, 2480, 2620, 3968, 4061, 4192, 4388, 4960, 5240, 5485, 8122, 8384, 8776, 9920, 10480, 10970, 16244, 16768, 17552, 19840, 20305, 20960, 21940, 32488, 34007, 35104, 40610, 41920, 43880, 64976, 68014, 70208, 81220, 83840, 87760, 129952, 136028, 140416, 143707, 162440, 170035, 175520, 259904, 272056, 287414, 324880, 340070, 351040, 519808, 544112, 574828, 649760, 680140, 702080, 718535, 1088224, 1149656, 1299520, 1360280, 1437070, 2176448, 2299312, 2599040, 2720560, 2874140, 4352896, 4454917, 4598624, 5441120, 5748280, 8909834, 9197248, 10882240, 11496560, 17819668, 18394496, 21764480, 22274585, 22993120, 35639336, 44549170, 45986240, 71278672, 89098340, 91972480, 142557344, 178196680, 285114688, 356393360, 570229376, 712786720, 1425573440, 2851146880]

約数ペア:

[(1, 2851146880), (2, 1425573440), (4, 712786720), (5, 570229376), (8, 356393360), (10, 285114688), (16, 178196680), (20, 142557344), (31, 91972480), (32, 89098340), (40, 71278672), (62, 45986240), (64, 44549170), (80, 35639336), (124, 22993120), (128, 22274585), (131, 21764480), (155, 18394496), (160, 17819668), (248, 11496560), (262, 10882240), (310, 9197248), (320, 8909834), (496, 5748280), (524, 5441120), (620, 4598624), (640, 4454917), (655, 4352896), (992, 2874140), (1048, 2720560), (1097, 2599040), (1240, 2299312), (1310, 2176448), (1984, 1437070), (2096, 1360280), (2194, 1299520), (2480, 1149656), (2620, 1088224), (3968, 718535), (4061, 702080), (4192, 680140), (4388, 649760), (4960, 574828), (5240, 544112), (5485, 519808), (8122, 351040), (8384, 340070), (8776, 324880), (9920, 287414), (10480, 272056), (10970, 259904), (16244, 175520), (16768, 170035), (17552, 162440), (19840, 143707), (20305, 140416), (20960, 136028), (21940, 129952), (32488, 87760), (34007, 83840), (35104, 81220), (40610, 70208), (41920, 68014), (43880, 64976)]