316957480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 886464000

約数和(自身を除く): 569506520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 79, 89, 92, 98, 115, 140, 158, 161, 178, 184, 196, 230, 245, 280, 316, 322, 356, 392, 395, 445, 460, 490, 553, 623, 632, 644, 712, 790, 805, 890, 920, 980, 1106, 1127, 1246, 1288, 1580, 1610, 1780, 1817, 1960, 2047, 2212, 2254, 2492, 2765, 3115, 3160, 3220, 3560, 3634, 3871, 4094, 4361, 4424, 4508, 4984, 5530, 5635, 6230, 6440, 7031, 7268, 7742, 8188, 8722, 9016, 9085, 10235, 11060, 11270, 12460, 12719, 14062, 14329, 14536, 15484, 16376, 17444, 18170, 19355, 20470, 21805, 22120, 22540, 24920, 25438, 28124, 28658, 30968, 34888, 35155, 36340, 38710, 40940, 43610, 45080, 49217, 50876, 56248, 57316, 63595, 70310, 71645, 72680, 77420, 81880, 87220, 89033, 98434, 100303, 101752, 114632, 127190, 140620, 143290, 154840, 161713, 174440, 178066, 196868, 200606, 246085, 254380, 281240, 286580, 323426, 344519, 356132, 393736, 401212, 445165, 492170, 501515, 508760, 573160, 646852, 689038, 712264, 802424, 808565, 890330, 984340, 1003030, 1131991, 1293704, 1378076, 1617130, 1722595, 1780660, 1968680, 2006060, 2263982, 2756152, 3234260, 3445190, 3561320, 4012120, 4527964, 5659955, 6468520, 6890380, 7923937, 9055928, 11319910, 13780760, 15847874, 22639820, 31695748, 39619685, 45279640, 63391496, 79239370, 158478740, 316957480]

約数ペア:

[(1, 316957480), (2, 158478740), (4, 79239370), (5, 63391496), (7, 45279640), (8, 39619685), (10, 31695748), (14, 22639820), (20, 15847874), (23, 13780760), (28, 11319910), (35, 9055928), (40, 7923937), (46, 6890380), (49, 6468520), (56, 5659955), (70, 4527964), (79, 4012120), (89, 3561320), (92, 3445190), (98, 3234260), (115, 2756152), (140, 2263982), (158, 2006060), (161, 1968680), (178, 1780660), (184, 1722595), (196, 1617130), (230, 1378076), (245, 1293704), (280, 1131991), (316, 1003030), (322, 984340), (356, 890330), (392, 808565), (395, 802424), (445, 712264), (460, 689038), (490, 646852), (553, 573160), (623, 508760), (632, 501515), (644, 492170), (712, 445165), (790, 401212), (805, 393736), (890, 356132), (920, 344519), (980, 323426), (1106, 286580), (1127, 281240), (1246, 254380), (1288, 246085), (1580, 200606), (1610, 196868), (1780, 178066), (1817, 174440), (1960, 161713), (2047, 154840), (2212, 143290), (2254, 140620), (2492, 127190), (2765, 114632), (3115, 101752), (3160, 100303), (3220, 98434), (3560, 89033), (3634, 87220), (3871, 81880), (4094, 77420), (4361, 72680), (4424, 71645), (4508, 70310), (4984, 63595), (5530, 57316), (5635, 56248), (6230, 50876), (6440, 49217), (7031, 45080), (7268, 43610), (7742, 40940), (8188, 38710), (8722, 36340), (9016, 35155), (9085, 34888), (10235, 30968), (11060, 28658), (11270, 28124), (12460, 25438), (12719, 24920), (14062, 22540), (14329, 22120), (14536, 21805), (15484, 20470), (16376, 19355), (17444, 18170)]