78315720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:748

約数の個数: 192

約数和(自身を含む): 288100800

約数和(自身を除く): 209785080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 701, 735, 760, 798, 840, 931, 980, 1064, 1140, 1176, 1330, 1402, 1470, 1596, 1862, 1960, 1995, 2103, 2280, 2660, 2793, 2804, 2940, 3192, 3505, 3724, 3990, 4206, 4655, 4907, 5320, 5586, 5608, 5880, 7010, 7448, 7980, 8412, 9310, 9814, 10515, 11172, 13319, 13965, 14020, 14721, 15960, 16824, 18620, 19628, 21030, 22344, 24535, 26638, 27930, 28040, 29442, 34349, 37240, 39256, 39957, 42060, 49070, 53276, 55860, 58884, 66595, 68698, 73605, 79914, 84120, 93233, 98140, 103047, 106552, 111720, 117768, 133190, 137396, 147210, 159828, 171745, 186466, 196280, 199785, 206094, 266380, 274792, 279699, 294420, 319656, 343490, 372932, 399570, 412188, 466165, 515235, 532760, 559398, 588840, 652631, 686980, 745864, 799140, 824376, 932330, 1030470, 1118796, 1305262, 1373960, 1398495, 1598280, 1864660, 1957893, 2060940, 2237592, 2610524, 2796990, 3263155, 3729320, 3915786, 4121880, 5221048, 5593980, 6526310, 7831572, 9789465, 11187960, 13052620, 15663144, 19578930, 26105240, 39157860, 78315720]

約数ペア:

[(1, 78315720), (2, 39157860), (3, 26105240), (4, 19578930), (5, 15663144), (6, 13052620), (7, 11187960), (8, 9789465), (10, 7831572), (12, 6526310), (14, 5593980), (15, 5221048), (19, 4121880), (20, 3915786), (21, 3729320), (24, 3263155), (28, 2796990), (30, 2610524), (35, 2237592), (38, 2060940), (40, 1957893), (42, 1864660), (49, 1598280), (56, 1398495), (57, 1373960), (60, 1305262), (70, 1118796), (76, 1030470), (84, 932330), (95, 824376), (98, 799140), (105, 745864), (114, 686980), (120, 652631), (133, 588840), (140, 559398), (147, 532760), (152, 515235), (168, 466165), (190, 412188), (196, 399570), (210, 372932), (228, 343490), (245, 319656), (266, 294420), (280, 279699), (285, 274792), (294, 266380), (380, 206094), (392, 199785), (399, 196280), (420, 186466), (456, 171745), (490, 159828), (532, 147210), (570, 137396), (588, 133190), (665, 117768), (701, 111720), (735, 106552), (760, 103047), (798, 98140), (840, 93233), (931, 84120), (980, 79914), (1064, 73605), (1140, 68698), (1176, 66595), (1330, 58884), (1402, 55860), (1470, 53276), (1596, 49070), (1862, 42060), (1960, 39957), (1995, 39256), (2103, 37240), (2280, 34349), (2660, 29442), (2793, 28040), (2804, 27930), (2940, 26638), (3192, 24535), (3505, 22344), (3724, 21030), (3990, 19628), (4206, 18620), (4655, 16824), (4907, 15960), (5320, 14721), (5586, 14020), (5608, 13965), (5880, 13319), (7010, 11172), (7448, 10515), (7980, 9814), (8412, 9310)]