280508760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:890

約数の個数: 192

約数和(自身を含む): 1050004800

約数和(自身を除く): 769496040

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, 471, 504, 628, 630, 709, 785, 840, 942, 1099, 1256, 1260, 1413, 1418, 1570, 1884, 2127, 2198, 2355, 2520, 2826, 2836, 3140, 3297, 3545, 3768, 4254, 4396, 4710, 4963, 5495, 5652, 5672, 6280, 6381, 6594, 7065, 7090, 8508, 8792, 9420, 9891, 9926, 10635, 10990, 11304, 12762, 13188, 14130, 14180, 14889, 16485, 17016, 18840, 19782, 19852, 21270, 21980, 24815, 25524, 26376, 28260, 28360, 29778, 31905, 32970, 39564, 39704, 42540, 43960, 44667, 49455, 49630, 51048, 56520, 59556, 63810, 65940, 74445, 79128, 85080, 89334, 98910, 99260, 111313, 119112, 127620, 131880, 148890, 178668, 197820, 198520, 222626, 223335, 255240, 297780, 333939, 357336, 395640, 445252, 446670, 556565, 595560, 667878, 779191, 890504, 893340, 1001817, 1113130, 1335756, 1558382, 1669695, 1786680, 2003634, 2226260, 2337573, 2671512, 3116764, 3339390, 3895955, 4007268, 4452520, 4675146, 5009085, 6233528, 6678780, 7012719, 7791910, 8014536, 9350292, 10018170, 11687865, 13357560, 14025438, 15583820, 18700584, 20036340, 23375730, 28050876, 31167640, 35063595, 40072680, 46751460, 56101752, 70127190, 93502920, 140254380, 280508760]

約数ペア:

[(1, 280508760), (2, 140254380), (3, 93502920), (4, 70127190), (5, 56101752), (6, 46751460), (7, 40072680), (8, 35063595), (9, 31167640), (10, 28050876), (12, 23375730), (14, 20036340), (15, 18700584), (18, 15583820), (20, 14025438), (21, 13357560), (24, 11687865), (28, 10018170), (30, 9350292), (35, 8014536), (36, 7791910), (40, 7012719), (42, 6678780), (45, 6233528), (56, 5009085), (60, 4675146), (63, 4452520), (70, 4007268), (72, 3895955), (84, 3339390), (90, 3116764), (105, 2671512), (120, 2337573), (126, 2226260), (140, 2003634), (157, 1786680), (168, 1669695), (180, 1558382), (210, 1335756), (252, 1113130), (280, 1001817), (314, 893340), (315, 890504), (360, 779191), (420, 667878), (471, 595560), (504, 556565), (628, 446670), (630, 445252), (709, 395640), (785, 357336), (840, 333939), (942, 297780), (1099, 255240), (1256, 223335), (1260, 222626), (1413, 198520), (1418, 197820), (1570, 178668), (1884, 148890), (2127, 131880), (2198, 127620), (2355, 119112), (2520, 111313), (2826, 99260), (2836, 98910), (3140, 89334), (3297, 85080), (3545, 79128), (3768, 74445), (4254, 65940), (4396, 63810), (4710, 59556), (4963, 56520), (5495, 51048), (5652, 49630), (5672, 49455), (6280, 44667), (6381, 43960), (6594, 42540), (7065, 39704), (7090, 39564), (8508, 32970), (8792, 31905), (9420, 29778), (9891, 28360), (9926, 28260), (10635, 26376), (10990, 25524), (11304, 24815), (12762, 21980), (13188, 21270), (14130, 19852), (14180, 19782), (14889, 18840), (16485, 17016)]