638647440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{911}}^1$

素因数の和:1077

約数の個数: 160

約数和(自身を含む): 2084438016

約数和(自身を除く): 1445790576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 127, 138, 184, 230, 240, 254, 276, 345, 368, 381, 460, 508, 552, 635, 690, 762, 911, 920, 1016, 1104, 1270, 1380, 1524, 1822, 1840, 1905, 2032, 2540, 2733, 2760, 2921, 3048, 3644, 3810, 4555, 5080, 5466, 5520, 5842, 6096, 7288, 7620, 8763, 9110, 10160, 10932, 11684, 13665, 14576, 14605, 15240, 17526, 18220, 20953, 21864, 23368, 27330, 29210, 30480, 35052, 36440, 41906, 43728, 43815, 46736, 54660, 58420, 62859, 70104, 72880, 83812, 87630, 104765, 109320, 115697, 116840, 125718, 140208, 167624, 175260, 209530, 218640, 231394, 233680, 251436, 314295, 335248, 347091, 350520, 419060, 462788, 502872, 578485, 628590, 694182, 701040, 838120, 925576, 1005744, 1156970, 1257180, 1388364, 1676240, 1735455, 1851152, 2313940, 2514360, 2661031, 2776728, 3470910, 4627880, 5028720, 5322062, 5553456, 6941820, 7983093, 9255760, 10644124, 13305155, 13883640, 15966186, 21288248, 26610310, 27767280, 31932372, 39915465, 42576496, 53220620, 63864744, 79830930, 106441240, 127729488, 159661860, 212882480, 319323720, 638647440]

約数ペア:

[(1, 638647440), (2, 319323720), (3, 212882480), (4, 159661860), (5, 127729488), (6, 106441240), (8, 79830930), (10, 63864744), (12, 53220620), (15, 42576496), (16, 39915465), (20, 31932372), (23, 27767280), (24, 26610310), (30, 21288248), (40, 15966186), (46, 13883640), (48, 13305155), (60, 10644124), (69, 9255760), (80, 7983093), (92, 6941820), (115, 5553456), (120, 5322062), (127, 5028720), (138, 4627880), (184, 3470910), (230, 2776728), (240, 2661031), (254, 2514360), (276, 2313940), (345, 1851152), (368, 1735455), (381, 1676240), (460, 1388364), (508, 1257180), (552, 1156970), (635, 1005744), (690, 925576), (762, 838120), (911, 701040), (920, 694182), (1016, 628590), (1104, 578485), (1270, 502872), (1380, 462788), (1524, 419060), (1822, 350520), (1840, 347091), (1905, 335248), (2032, 314295), (2540, 251436), (2733, 233680), (2760, 231394), (2921, 218640), (3048, 209530), (3644, 175260), (3810, 167624), (4555, 140208), (5080, 125718), (5466, 116840), (5520, 115697), (5842, 109320), (6096, 104765), (7288, 87630), (7620, 83812), (8763, 72880), (9110, 70104), (10160, 62859), (10932, 58420), (11684, 54660), (13665, 46736), (14576, 43815), (14605, 43728), (15240, 41906), (17526, 36440), (18220, 35052), (20953, 30480), (21864, 29210), (23368, 27330)]