180807480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:638

約数の個数: 192

約数和(自身を含む): 677327040

約数和(自身を除く): 496519560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 157, 168, 180, 210, 252, 280, 314, 315, 360, 420, 457, 471, 504, 628, 630, 785, 840, 914, 942, 1099, 1256, 1260, 1371, 1413, 1570, 1828, 1884, 2198, 2285, 2355, 2520, 2742, 2826, 3140, 3199, 3297, 3656, 3768, 4113, 4396, 4570, 4710, 5484, 5495, 5652, 6280, 6398, 6594, 6855, 7065, 8226, 8792, 9140, 9420, 9597, 9891, 10968, 10990, 11304, 12796, 13188, 13710, 14130, 15995, 16452, 16485, 18280, 18840, 19194, 19782, 20565, 21980, 25592, 26376, 27420, 28260, 28791, 31990, 32904, 32970, 38388, 39564, 41130, 43960, 47985, 49455, 54840, 56520, 57582, 63980, 65940, 71749, 76776, 79128, 82260, 95970, 98910, 115164, 127960, 131880, 143498, 143955, 164520, 191940, 197820, 215247, 230328, 286996, 287910, 358745, 383880, 395640, 430494, 502243, 573992, 575820, 645741, 717490, 860988, 1004486, 1076235, 1151640, 1291482, 1434980, 1506729, 1721976, 2008972, 2152470, 2511215, 2582964, 2869960, 3013458, 3228705, 4017944, 4304940, 4520187, 5022430, 5165928, 6026916, 6457410, 7533645, 8609880, 9040374, 10044860, 12053832, 12914820, 15067290, 18080748, 20089720, 22600935, 25829640, 30134580, 36161496, 45201870, 60269160, 90403740, 180807480]

約数ペア:

[(1, 180807480), (2, 90403740), (3, 60269160), (4, 45201870), (5, 36161496), (6, 30134580), (7, 25829640), (8, 22600935), (9, 20089720), (10, 18080748), (12, 15067290), (14, 12914820), (15, 12053832), (18, 10044860), (20, 9040374), (21, 8609880), (24, 7533645), (28, 6457410), (30, 6026916), (35, 5165928), (36, 5022430), (40, 4520187), (42, 4304940), (45, 4017944), (56, 3228705), (60, 3013458), (63, 2869960), (70, 2582964), (72, 2511215), (84, 2152470), (90, 2008972), (105, 1721976), (120, 1506729), (126, 1434980), (140, 1291482), (157, 1151640), (168, 1076235), (180, 1004486), (210, 860988), (252, 717490), (280, 645741), (314, 575820), (315, 573992), (360, 502243), (420, 430494), (457, 395640), (471, 383880), (504, 358745), (628, 287910), (630, 286996), (785, 230328), (840, 215247), (914, 197820), (942, 191940), (1099, 164520), (1256, 143955), (1260, 143498), (1371, 131880), (1413, 127960), (1570, 115164), (1828, 98910), (1884, 95970), (2198, 82260), (2285, 79128), (2355, 76776), (2520, 71749), (2742, 65940), (2826, 63980), (3140, 57582), (3199, 56520), (3297, 54840), (3656, 49455), (3768, 47985), (4113, 43960), (4396, 41130), (4570, 39564), (4710, 38388), (5484, 32970), (5495, 32904), (5652, 31990), (6280, 28791), (6398, 28260), (6594, 27420), (6855, 26376), (7065, 25592), (8226, 21980), (8792, 20565), (9140, 19782), (9420, 19194), (9597, 18840), (9891, 18280), (10968, 16485), (10990, 16452), (11304, 15995), (12796, 14130), (13188, 13710)]