647516640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 192

約数和(自身を含む): 2129924160

約数和(自身を除く): 1482407520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 181, 232, 240, 257, 290, 348, 362, 435, 464, 480, 514, 543, 580, 696, 724, 771, 870, 905, 928, 1028, 1086, 1160, 1285, 1392, 1448, 1542, 1740, 1810, 2056, 2172, 2320, 2570, 2715, 2784, 2896, 3084, 3480, 3620, 3855, 4112, 4344, 4640, 5140, 5249, 5430, 5792, 6168, 6960, 7240, 7453, 7710, 8224, 8688, 10280, 10498, 10860, 12336, 13920, 14480, 14906, 15420, 15747, 17376, 20560, 20996, 21720, 22359, 24672, 26245, 28960, 29812, 30840, 31494, 37265, 41120, 41992, 43440, 44718, 46517, 52490, 59624, 61680, 62988, 74530, 78735, 83984, 86880, 89436, 93034, 104980, 111795, 119248, 123360, 125976, 139551, 149060, 157470, 167968, 178872, 186068, 209960, 223590, 232585, 238496, 251952, 279102, 298120, 314940, 357744, 372136, 419920, 447180, 465170, 503904, 558204, 596240, 629880, 697755, 715488, 744272, 839840, 894360, 930340, 1116408, 1192480, 1259760, 1348993, 1395510, 1488544, 1788720, 1860680, 2232816, 2519520, 2697986, 2791020, 3577440, 3721360, 4046979, 4465632, 5395972, 5582040, 6744965, 7442720, 8093958, 10791944, 11164080, 13489930, 16187916, 20234895, 21583888, 22328160, 26979860, 32375832, 40469790, 43167776, 53959720, 64751664, 80939580, 107919440, 129503328, 161879160, 215838880, 323758320, 647516640]

約数ペア:

[(1, 647516640), (2, 323758320), (3, 215838880), (4, 161879160), (5, 129503328), (6, 107919440), (8, 80939580), (10, 64751664), (12, 53959720), (15, 43167776), (16, 40469790), (20, 32375832), (24, 26979860), (29, 22328160), (30, 21583888), (32, 20234895), (40, 16187916), (48, 13489930), (58, 11164080), (60, 10791944), (80, 8093958), (87, 7442720), (96, 6744965), (116, 5582040), (120, 5395972), (145, 4465632), (160, 4046979), (174, 3721360), (181, 3577440), (232, 2791020), (240, 2697986), (257, 2519520), (290, 2232816), (348, 1860680), (362, 1788720), (435, 1488544), (464, 1395510), (480, 1348993), (514, 1259760), (543, 1192480), (580, 1116408), (696, 930340), (724, 894360), (771, 839840), (870, 744272), (905, 715488), (928, 697755), (1028, 629880), (1086, 596240), (1160, 558204), (1285, 503904), (1392, 465170), (1448, 447180), (1542, 419920), (1740, 372136), (1810, 357744), (2056, 314940), (2172, 298120), (2320, 279102), (2570, 251952), (2715, 238496), (2784, 232585), (2896, 223590), (3084, 209960), (3480, 186068), (3620, 178872), (3855, 167968), (4112, 157470), (4344, 149060), (4640, 139551), (5140, 125976), (5249, 123360), (5430, 119248), (5792, 111795), (6168, 104980), (6960, 93034), (7240, 89436), (7453, 86880), (7710, 83984), (8224, 78735), (8688, 74530), (10280, 62988), (10498, 61680), (10860, 59624), (12336, 52490), (13920, 46517), (14480, 44718), (14906, 43440), (15420, 41992), (15747, 41120), (17376, 37265), (20560, 31494), (20996, 30840), (21720, 29812), (22359, 28960), (24672, 26245)]