488719140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:731

約数の個数: 288

約数和(自身を含む): 1807182720

約数和(自身を除く): 1318463580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 49, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 98, 105, 114, 130, 133, 140, 147, 156, 182, 190, 195, 196, 210, 228, 245, 247, 260, 266, 273, 285, 294, 364, 380, 390, 399, 420, 455, 490, 494, 532, 546, 570, 588, 637, 665, 673, 735, 741, 780, 798, 910, 931, 980, 988, 1092, 1140, 1235, 1274, 1330, 1346, 1365, 1470, 1482, 1596, 1729, 1820, 1862, 1911, 1995, 2019, 2470, 2548, 2660, 2692, 2730, 2793, 2940, 2964, 3185, 3365, 3458, 3705, 3724, 3822, 3990, 4038, 4655, 4711, 4940, 5187, 5460, 5586, 6370, 6730, 6916, 7410, 7644, 7980, 8076, 8645, 8749, 9310, 9422, 9555, 10095, 10374, 11172, 12103, 12740, 12787, 13460, 13965, 14133, 14820, 17290, 17498, 18620, 18844, 19110, 20190, 20748, 23555, 24206, 25574, 25935, 26247, 27930, 28266, 32977, 34580, 34996, 36309, 38220, 38361, 40380, 43745, 47110, 48412, 51148, 51870, 52494, 55860, 56532, 60515, 61243, 63935, 65954, 70665, 72618, 76722, 87490, 89509, 94220, 98931, 103740, 104988, 121030, 122486, 127870, 131235, 131908, 141330, 145236, 153444, 164885, 166231, 174980, 179018, 181545, 183729, 191805, 197862, 242060, 244972, 255740, 262470, 268527, 282660, 306215, 329770, 332462, 358036, 363090, 367458, 383610, 395724, 428701, 447545, 494655, 498693, 524940, 537054, 612430, 626563, 659540, 664924, 726180, 734916, 767220, 831155, 857402, 895090, 918645, 989310, 997386, 1074108, 1163617, 1224860, 1253126, 1286103, 1342635, 1662310, 1714804, 1790180, 1837290, 1879689, 1978620, 1994772, 2143505, 2327234, 2493465, 2506252, 2572206, 2685270, 3132815, 3324620, 3490851, 3674580, 3759378, 4287010, 4654468, 4986930, 5144412, 5370540, 5818085, 6265630, 6430515, 6981702, 7518756, 8145319, 8574020, 9398445, 9973860, 11636170, 12531260, 12861030, 13963404, 16290638, 17454255, 18796890, 23272340, 24435957, 25722060, 32581276, 34908510, 37593780, 40726595, 48871914, 69817020, 81453190, 97743828, 122179785, 162906380, 244359570, 488719140]

約数ペア:

[(1, 488719140), (2, 244359570), (3, 162906380), (4, 122179785), (5, 97743828), (6, 81453190), (7, 69817020), (10, 48871914), (12, 40726595), (13, 37593780), (14, 34908510), (15, 32581276), (19, 25722060), (20, 24435957), (21, 23272340), (26, 18796890), (28, 17454255), (30, 16290638), (35, 13963404), (38, 12861030), (39, 12531260), (42, 11636170), (49, 9973860), (52, 9398445), (57, 8574020), (60, 8145319), (65, 7518756), (70, 6981702), (76, 6430515), (78, 6265630), (84, 5818085), (91, 5370540), (95, 5144412), (98, 4986930), (105, 4654468), (114, 4287010), (130, 3759378), (133, 3674580), (140, 3490851), (147, 3324620), (156, 3132815), (182, 2685270), (190, 2572206), (195, 2506252), (196, 2493465), (210, 2327234), (228, 2143505), (245, 1994772), (247, 1978620), (260, 1879689), (266, 1837290), (273, 1790180), (285, 1714804), (294, 1662310), (364, 1342635), (380, 1286103), (390, 1253126), (399, 1224860), (420, 1163617), (455, 1074108), (490, 997386), (494, 989310), (532, 918645), (546, 895090), (570, 857402), (588, 831155), (637, 767220), (665, 734916), (673, 726180), (735, 664924), (741, 659540), (780, 626563), (798, 612430), (910, 537054), (931, 524940), (980, 498693), (988, 494655), (1092, 447545), (1140, 428701), (1235, 395724), (1274, 383610), (1330, 367458), (1346, 363090), (1365, 358036), (1470, 332462), (1482, 329770), (1596, 306215), (1729, 282660), (1820, 268527), (1862, 262470), (1911, 255740), (1995, 244972), (2019, 242060), (2470, 197862), (2548, 191805), (2660, 183729), (2692, 181545), (2730, 179018), (2793, 174980), (2940, 166231), (2964, 164885), (3185, 153444), (3365, 145236), (3458, 141330), (3705, 131908), (3724, 131235), (3822, 127870), (3990, 122486), (4038, 121030), (4655, 104988), (4711, 103740), (4940, 98931), (5187, 94220), (5460, 89509), (5586, 87490), (6370, 76722), (6730, 72618), (6916, 70665), (7410, 65954), (7644, 63935), (7980, 61243), (8076, 60515), (8645, 56532), (8749, 55860), (9310, 52494), (9422, 51870), (9555, 51148), (10095, 48412), (10374, 47110), (11172, 43745), (12103, 40380), (12740, 38361), (12787, 38220), (13460, 36309), (13965, 34996), (14133, 34580), (14820, 32977), (17290, 28266), (17498, 27930), (18620, 26247), (18844, 25935), (19110, 25574), (20190, 24206), (20748, 23555)]