80748800

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 216

約数和(自身を含む): 231151872

約数和(自身を除く): 150403072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 37, 40, 44, 50, 55, 62, 64, 74, 80, 88, 100, 110, 124, 128, 148, 155, 160, 176, 185, 200, 220, 248, 256, 275, 296, 310, 320, 341, 352, 370, 400, 407, 440, 496, 550, 592, 620, 640, 682, 704, 740, 775, 800, 814, 880, 925, 992, 1100, 1147, 1184, 1240, 1280, 1364, 1408, 1480, 1550, 1600, 1628, 1705, 1760, 1850, 1984, 2035, 2200, 2294, 2368, 2480, 2728, 2816, 2960, 3100, 3200, 3256, 3410, 3520, 3700, 3968, 4070, 4400, 4588, 4736, 4960, 5456, 5735, 5920, 6200, 6400, 6512, 6820, 7040, 7400, 7936, 8140, 8525, 8800, 9176, 9472, 9920, 10175, 10912, 11470, 11840, 12400, 12617, 13024, 13640, 14080, 14800, 16280, 17050, 17600, 18352, 19840, 20350, 21824, 22940, 23680, 24800, 25234, 26048, 27280, 28675, 29600, 32560, 34100, 35200, 36704, 39680, 40700, 43648, 45880, 47360, 49600, 50468, 52096, 54560, 57350, 59200, 63085, 65120, 68200, 70400, 73408, 81400, 87296, 91760, 99200, 100936, 104192, 109120, 114700, 118400, 126170, 130240, 136400, 146816, 162800, 183520, 198400, 201872, 218240, 229400, 236800, 252340, 260480, 272800, 293632, 315425, 325600, 367040, 403744, 436480, 458800, 504680, 520960, 545600, 630850, 651200, 734080, 807488, 917600, 1009360, 1091200, 1261700, 1302400, 1468160, 1614976, 1835200, 2018720, 2182400, 2523400, 2604800, 3229952, 3670400, 4037440, 5046800, 7340800, 8074880, 10093600, 16149760, 20187200, 40374400, 80748800]

約数ペア:

[(1, 80748800), (2, 40374400), (4, 20187200), (5, 16149760), (8, 10093600), (10, 8074880), (11, 7340800), (16, 5046800), (20, 4037440), (22, 3670400), (25, 3229952), (31, 2604800), (32, 2523400), (37, 2182400), (40, 2018720), (44, 1835200), (50, 1614976), (55, 1468160), (62, 1302400), (64, 1261700), (74, 1091200), (80, 1009360), (88, 917600), (100, 807488), (110, 734080), (124, 651200), (128, 630850), (148, 545600), (155, 520960), (160, 504680), (176, 458800), (185, 436480), (200, 403744), (220, 367040), (248, 325600), (256, 315425), (275, 293632), (296, 272800), (310, 260480), (320, 252340), (341, 236800), (352, 229400), (370, 218240), (400, 201872), (407, 198400), (440, 183520), (496, 162800), (550, 146816), (592, 136400), (620, 130240), (640, 126170), (682, 118400), (704, 114700), (740, 109120), (775, 104192), (800, 100936), (814, 99200), (880, 91760), (925, 87296), (992, 81400), (1100, 73408), (1147, 70400), (1184, 68200), (1240, 65120), (1280, 63085), (1364, 59200), (1408, 57350), (1480, 54560), (1550, 52096), (1600, 50468), (1628, 49600), (1705, 47360), (1760, 45880), (1850, 43648), (1984, 40700), (2035, 39680), (2200, 36704), (2294, 35200), (2368, 34100), (2480, 32560), (2728, 29600), (2816, 28675), (2960, 27280), (3100, 26048), (3200, 25234), (3256, 24800), (3410, 23680), (3520, 22940), (3700, 21824), (3968, 20350), (4070, 19840), (4400, 18352), (4588, 17600), (4736, 17050), (4960, 16280), (5456, 14800), (5735, 14080), (5920, 13640), (6200, 13024), (6400, 12617), (6512, 12400), (6820, 11840), (7040, 11470), (7400, 10912), (7936, 10175), (8140, 9920), (8525, 9472), (8800, 9176)]