1219306880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 256

約数和(自身を含む): 3393515520

約数和(自身を除く): 2174208640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 37, 40, 44, 55, 62, 64, 74, 80, 88, 110, 124, 128, 148, 151, 155, 160, 176, 185, 220, 248, 296, 302, 310, 320, 341, 352, 370, 407, 440, 496, 592, 604, 620, 640, 682, 704, 740, 755, 814, 880, 992, 1147, 1184, 1208, 1240, 1364, 1408, 1480, 1510, 1628, 1661, 1705, 1760, 1984, 2035, 2294, 2368, 2416, 2480, 2728, 2960, 3020, 3256, 3322, 3410, 3520, 3968, 4070, 4588, 4681, 4736, 4832, 4960, 5456, 5587, 5735, 5920, 6040, 6512, 6644, 6820, 7040, 8140, 8305, 9176, 9362, 9664, 9920, 10912, 11174, 11470, 11840, 12080, 12617, 13024, 13288, 13640, 16280, 16610, 18352, 18724, 19328, 19840, 21824, 22348, 22940, 23405, 23680, 24160, 25234, 26048, 26576, 27280, 27935, 32560, 33220, 36704, 37448, 43648, 44696, 45880, 46810, 48320, 50468, 51491, 52096, 53152, 54560, 55870, 61457, 63085, 65120, 66440, 73408, 74896, 89392, 91760, 93620, 96640, 100936, 102982, 106304, 109120, 111740, 122914, 126170, 130240, 132880, 146816, 149792, 173197, 178784, 183520, 187240, 201872, 205964, 212608, 218240, 223480, 245828, 252340, 257455, 260480, 265760, 299584, 307285, 346394, 357568, 367040, 374480, 403744, 411928, 446960, 491656, 504680, 514910, 531520, 599168, 614570, 692788, 715136, 734080, 748960, 807488, 823856, 865985, 893920, 983312, 1009360, 1029820, 1063040, 1229140, 1385576, 1497920, 1614976, 1647712, 1731970, 1787840, 1905167, 1966624, 2018720, 2059640, 2458280, 2771152, 2995840, 3295424, 3463940, 3575680, 3810334, 3933248, 4037440, 4119280, 4916560, 5542304, 6590848, 6927880, 7620668, 7866496, 8074880, 8238560, 9525835, 9833120, 11084608, 13855760, 15241336, 16477120, 19051670, 19666240, 22169216, 27711520, 30482672, 32954240, 38103340, 39332480, 55423040, 60965344, 76206680, 110846080, 121930688, 152413360, 243861376, 304826720, 609653440, 1219306880]

約数ペア:

[(1, 1219306880), (2, 609653440), (4, 304826720), (5, 243861376), (8, 152413360), (10, 121930688), (11, 110846080), (16, 76206680), (20, 60965344), (22, 55423040), (31, 39332480), (32, 38103340), (37, 32954240), (40, 30482672), (44, 27711520), (55, 22169216), (62, 19666240), (64, 19051670), (74, 16477120), (80, 15241336), (88, 13855760), (110, 11084608), (124, 9833120), (128, 9525835), (148, 8238560), (151, 8074880), (155, 7866496), (160, 7620668), (176, 6927880), (185, 6590848), (220, 5542304), (248, 4916560), (296, 4119280), (302, 4037440), (310, 3933248), (320, 3810334), (341, 3575680), (352, 3463940), (370, 3295424), (407, 2995840), (440, 2771152), (496, 2458280), (592, 2059640), (604, 2018720), (620, 1966624), (640, 1905167), (682, 1787840), (704, 1731970), (740, 1647712), (755, 1614976), (814, 1497920), (880, 1385576), (992, 1229140), (1147, 1063040), (1184, 1029820), (1208, 1009360), (1240, 983312), (1364, 893920), (1408, 865985), (1480, 823856), (1510, 807488), (1628, 748960), (1661, 734080), (1705, 715136), (1760, 692788), (1984, 614570), (2035, 599168), (2294, 531520), (2368, 514910), (2416, 504680), (2480, 491656), (2728, 446960), (2960, 411928), (3020, 403744), (3256, 374480), (3322, 367040), (3410, 357568), (3520, 346394), (3968, 307285), (4070, 299584), (4588, 265760), (4681, 260480), (4736, 257455), (4832, 252340), (4960, 245828), (5456, 223480), (5587, 218240), (5735, 212608), (5920, 205964), (6040, 201872), (6512, 187240), (6644, 183520), (6820, 178784), (7040, 173197), (8140, 149792), (8305, 146816), (9176, 132880), (9362, 130240), (9664, 126170), (9920, 122914), (10912, 111740), (11174, 109120), (11470, 106304), (11840, 102982), (12080, 100936), (12617, 96640), (13024, 93620), (13288, 91760), (13640, 89392), (16280, 74896), (16610, 73408), (18352, 66440), (18724, 65120), (19328, 63085), (19840, 61457), (21824, 55870), (22348, 54560), (22940, 53152), (23405, 52096), (23680, 51491), (24160, 50468), (25234, 48320), (26048, 46810), (26576, 45880), (27280, 44696), (27935, 43648), (32560, 37448), (33220, 36704)]