231313560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:941

約数の個数: 128

約数和(自身を含む): 740664000

約数和(自身を除く): 509350440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 149, 170, 204, 255, 298, 340, 408, 447, 510, 596, 680, 745, 761, 894, 1020, 1192, 1490, 1522, 1788, 2040, 2235, 2283, 2533, 2980, 3044, 3576, 3805, 4470, 4566, 5066, 5960, 6088, 7599, 7610, 8940, 9132, 10132, 11415, 12665, 12937, 15198, 15220, 17880, 18264, 20264, 22830, 25330, 25874, 30396, 30440, 37995, 38811, 45660, 50660, 51748, 60792, 64685, 75990, 77622, 91320, 101320, 103496, 113389, 129370, 151980, 155244, 194055, 226778, 258740, 303960, 310488, 340167, 388110, 453556, 517480, 566945, 680334, 776220, 907112, 1133890, 1360668, 1552440, 1700835, 1927613, 2267780, 2721336, 3401670, 3855226, 4535560, 5782839, 6803340, 7710452, 9638065, 11565678, 13606680, 15420904, 19276130, 23131356, 28914195, 38552260, 46262712, 57828390, 77104520, 115656780, 231313560]

約数ペア:

[(1, 231313560), (2, 115656780), (3, 77104520), (4, 57828390), (5, 46262712), (6, 38552260), (8, 28914195), (10, 23131356), (12, 19276130), (15, 15420904), (17, 13606680), (20, 11565678), (24, 9638065), (30, 7710452), (34, 6803340), (40, 5782839), (51, 4535560), (60, 3855226), (68, 3401670), (85, 2721336), (102, 2267780), (120, 1927613), (136, 1700835), (149, 1552440), (170, 1360668), (204, 1133890), (255, 907112), (298, 776220), (340, 680334), (408, 566945), (447, 517480), (510, 453556), (596, 388110), (680, 340167), (745, 310488), (761, 303960), (894, 258740), (1020, 226778), (1192, 194055), (1490, 155244), (1522, 151980), (1788, 129370), (2040, 113389), (2235, 103496), (2283, 101320), (2533, 91320), (2980, 77622), (3044, 75990), (3576, 64685), (3805, 60792), (4470, 51748), (4566, 50660), (5066, 45660), (5960, 38811), (6088, 37995), (7599, 30440), (7610, 30396), (8940, 25874), (9132, 25330), (10132, 22830), (11415, 20264), (12665, 18264), (12937, 17880), (15198, 15220)]