28951440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:949

約数の個数: 160

約数和(自身を含む): 108088320

約数和(自身を除く): 79136880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 907, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1814, 1995, 2128, 2280, 2660, 2721, 3192, 3628, 3990, 4535, 4560, 5320, 5442, 6349, 6384, 7256, 7980, 9070, 10640, 10884, 12698, 13605, 14512, 15960, 17233, 18140, 19047, 21768, 25396, 27210, 31745, 31920, 34466, 36280, 38094, 43536, 50792, 51699, 54420, 63490, 68932, 72560, 76188, 86165, 95235, 101584, 103398, 108840, 120631, 126980, 137864, 152376, 172330, 190470, 206796, 217680, 241262, 253960, 258495, 275728, 304752, 344660, 361893, 380940, 413592, 482524, 507920, 516990, 603155, 689320, 723786, 761880, 827184, 965048, 1033980, 1206310, 1378640, 1447572, 1523760, 1809465, 1930096, 2067960, 2412620, 2895144, 3618930, 4135920, 4825240, 5790288, 7237860, 9650480, 14475720, 28951440]

約数ペア:

[(1, 28951440), (2, 14475720), (3, 9650480), (4, 7237860), (5, 5790288), (6, 4825240), (7, 4135920), (8, 3618930), (10, 2895144), (12, 2412620), (14, 2067960), (15, 1930096), (16, 1809465), (19, 1523760), (20, 1447572), (21, 1378640), (24, 1206310), (28, 1033980), (30, 965048), (35, 827184), (38, 761880), (40, 723786), (42, 689320), (48, 603155), (56, 516990), (57, 507920), (60, 482524), (70, 413592), (76, 380940), (80, 361893), (84, 344660), (95, 304752), (105, 275728), (112, 258495), (114, 253960), (120, 241262), (133, 217680), (140, 206796), (152, 190470), (168, 172330), (190, 152376), (210, 137864), (228, 126980), (240, 120631), (266, 108840), (280, 103398), (285, 101584), (304, 95235), (336, 86165), (380, 76188), (399, 72560), (420, 68932), (456, 63490), (532, 54420), (560, 51699), (570, 50792), (665, 43536), (760, 38094), (798, 36280), (840, 34466), (907, 31920), (912, 31745), (1064, 27210), (1140, 25396), (1330, 21768), (1520, 19047), (1596, 18140), (1680, 17233), (1814, 15960), (1995, 14512), (2128, 13605), (2280, 12698), (2660, 10884), (2721, 10640), (3192, 9070), (3628, 7980), (3990, 7256), (4535, 6384), (4560, 6349), (5320, 5442)]