1995418880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:541

約数の個数: 288

約数和(自身を含む): 6054687744

約数和(自身を除く): 4059268864

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 64, 65, 70, 74, 80, 91, 104, 112, 128, 130, 140, 148, 160, 182, 185, 208, 224, 256, 259, 260, 280, 296, 320, 364, 370, 416, 448, 455, 463, 481, 518, 520, 560, 592, 640, 728, 740, 832, 896, 910, 926, 962, 1036, 1040, 1120, 1184, 1280, 1295, 1456, 1480, 1664, 1792, 1820, 1852, 1924, 2072, 2080, 2240, 2315, 2368, 2405, 2590, 2912, 2960, 3241, 3328, 3367, 3640, 3704, 3848, 4144, 4160, 4480, 4630, 4736, 4810, 5180, 5824, 5920, 6019, 6482, 6734, 7280, 7408, 7696, 8288, 8320, 8960, 9260, 9472, 9620, 10360, 11648, 11840, 12038, 12964, 13468, 14560, 14816, 15392, 16205, 16576, 16640, 16835, 17131, 18520, 19240, 20720, 23296, 23680, 24076, 25928, 26936, 29120, 29632, 30095, 30784, 32410, 33152, 33670, 34262, 37040, 38480, 41440, 42133, 47360, 48152, 51856, 53872, 58240, 59264, 60190, 61568, 64820, 66304, 67340, 68524, 74080, 76960, 82880, 84266, 85655, 96304, 103712, 107744, 116480, 118528, 119917, 120380, 123136, 129640, 134680, 137048, 148160, 153920, 165760, 168532, 171310, 192608, 207424, 210665, 215488, 222703, 239834, 240760, 259280, 269360, 274096, 296320, 307840, 331520, 337064, 342620, 385216, 414848, 421330, 430976, 445406, 479668, 481520, 518560, 538720, 548192, 592640, 599585, 615680, 674128, 685240, 770432, 829696, 842660, 861952, 890812, 959336, 963040, 1037120, 1077440, 1096384, 1113515, 1199170, 1348256, 1370480, 1540864, 1558921, 1685320, 1781624, 1918672, 1926080, 2074240, 2154880, 2192768, 2227030, 2398340, 2696512, 2740960, 3117842, 3370640, 3563248, 3837344, 3852160, 4148480, 4309760, 4385536, 4454060, 4796680, 5393024, 5481920, 6235684, 6741280, 7126496, 7674688, 7704320, 7794605, 8908120, 9593360, 10786048, 10963840, 12471368, 13482560, 14252992, 15349376, 15589210, 17816240, 19186720, 21927680, 24942736, 26965120, 28505984, 30698752, 31178420, 35632480, 38373440, 49885472, 53930240, 57011968, 62356840, 71264960, 76746880, 99770944, 124713680, 142529920, 153493760, 199541888, 249427360, 285059840, 399083776, 498854720, 997709440, 1995418880]

約数ペア:

[(1, 1995418880), (2, 997709440), (4, 498854720), (5, 399083776), (7, 285059840), (8, 249427360), (10, 199541888), (13, 153493760), (14, 142529920), (16, 124713680), (20, 99770944), (26, 76746880), (28, 71264960), (32, 62356840), (35, 57011968), (37, 53930240), (40, 49885472), (52, 38373440), (56, 35632480), (64, 31178420), (65, 30698752), (70, 28505984), (74, 26965120), (80, 24942736), (91, 21927680), (104, 19186720), (112, 17816240), (128, 15589210), (130, 15349376), (140, 14252992), (148, 13482560), (160, 12471368), (182, 10963840), (185, 10786048), (208, 9593360), (224, 8908120), (256, 7794605), (259, 7704320), (260, 7674688), (280, 7126496), (296, 6741280), (320, 6235684), (364, 5481920), (370, 5393024), (416, 4796680), (448, 4454060), (455, 4385536), (463, 4309760), (481, 4148480), (518, 3852160), (520, 3837344), (560, 3563248), (592, 3370640), (640, 3117842), (728, 2740960), (740, 2696512), (832, 2398340), (896, 2227030), (910, 2192768), (926, 2154880), (962, 2074240), (1036, 1926080), (1040, 1918672), (1120, 1781624), (1184, 1685320), (1280, 1558921), (1295, 1540864), (1456, 1370480), (1480, 1348256), (1664, 1199170), (1792, 1113515), (1820, 1096384), (1852, 1077440), (1924, 1037120), (2072, 963040), (2080, 959336), (2240, 890812), (2315, 861952), (2368, 842660), (2405, 829696), (2590, 770432), (2912, 685240), (2960, 674128), (3241, 615680), (3328, 599585), (3367, 592640), (3640, 548192), (3704, 538720), (3848, 518560), (4144, 481520), (4160, 479668), (4480, 445406), (4630, 430976), (4736, 421330), (4810, 414848), (5180, 385216), (5824, 342620), (5920, 337064), (6019, 331520), (6482, 307840), (6734, 296320), (7280, 274096), (7408, 269360), (7696, 259280), (8288, 240760), (8320, 239834), (8960, 222703), (9260, 215488), (9472, 210665), (9620, 207424), (10360, 192608), (11648, 171310), (11840, 168532), (12038, 165760), (12964, 153920), (13468, 148160), (14560, 137048), (14816, 134680), (15392, 129640), (16205, 123136), (16576, 120380), (16640, 119917), (16835, 118528), (17131, 116480), (18520, 107744), (19240, 103712), (20720, 96304), (23296, 85655), (23680, 84266), (24076, 82880), (25928, 76960), (26936, 74080), (29120, 68524), (29632, 67340), (30095, 66304), (30784, 64820), (32410, 61568), (33152, 60190), (33670, 59264), (34262, 58240), (37040, 53872), (38480, 51856), (41440, 48152), (42133, 47360)]