20123892480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{71789}}^1$

素因数の和:71886

約数の個数: 144

約数和(自身を含む): 65152009440

約数和(自身を除く): 45028116960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 256, 292, 320, 365, 384, 438, 480, 584, 640, 730, 768, 876, 960, 1095, 1168, 1280, 1460, 1752, 1920, 2190, 2336, 2920, 3504, 3840, 4380, 4672, 5840, 7008, 8760, 9344, 11680, 14016, 17520, 18688, 23360, 28032, 35040, 46720, 56064, 70080, 71789, 93440, 140160, 143578, 215367, 280320, 287156, 358945, 430734, 574312, 717890, 861468, 1076835, 1148624, 1435780, 1722936, 2153670, 2297248, 2871560, 3445872, 4307340, 4594496, 5240597, 5743120, 6891744, 8614680, 9188992, 10481194, 11486240, 13783488, 15721791, 17229360, 18377984, 20962388, 22972480, 26202985, 27566976, 31443582, 34458720, 41924776, 45944960, 52405970, 55133952, 62887164, 68917440, 78608955, 83849552, 91889920, 104811940, 125774328, 137834880, 157217910, 167699104, 209623880, 251548656, 275669760, 314435820, 335398208, 419247760, 503097312, 628871640, 670796416, 838495520, 1006194624, 1257743280, 1341592832, 1676991040, 2012389248, 2515486560, 3353982080, 4024778496, 5030973120, 6707964160, 10061946240, 20123892480]

約数ペア:

[(1, 20123892480), (2, 10061946240), (3, 6707964160), (4, 5030973120), (5, 4024778496), (6, 3353982080), (8, 2515486560), (10, 2012389248), (12, 1676991040), (15, 1341592832), (16, 1257743280), (20, 1006194624), (24, 838495520), (30, 670796416), (32, 628871640), (40, 503097312), (48, 419247760), (60, 335398208), (64, 314435820), (73, 275669760), (80, 251548656), (96, 209623880), (120, 167699104), (128, 157217910), (146, 137834880), (160, 125774328), (192, 104811940), (219, 91889920), (240, 83849552), (256, 78608955), (292, 68917440), (320, 62887164), (365, 55133952), (384, 52405970), (438, 45944960), (480, 41924776), (584, 34458720), (640, 31443582), (730, 27566976), (768, 26202985), (876, 22972480), (960, 20962388), (1095, 18377984), (1168, 17229360), (1280, 15721791), (1460, 13783488), (1752, 11486240), (1920, 10481194), (2190, 9188992), (2336, 8614680), (2920, 6891744), (3504, 5743120), (3840, 5240597), (4380, 4594496), (4672, 4307340), (5840, 3445872), (7008, 2871560), (8760, 2297248), (9344, 2153670), (11680, 1722936), (14016, 1435780), (17520, 1148624), (18688, 1076835), (23360, 861468), (28032, 717890), (35040, 574312), (46720, 430734), (56064, 358945), (70080, 287156), (71789, 280320), (93440, 215367), (140160, 143578)]