784785456

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19963}}^1$

素因数の和:20000

約数の個数: 160

約数和(自身を含む): 2772600320

約数和(自身を除く): 1987814864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 234, 252, 273, 312, 336, 351, 364, 378, 432, 468, 504, 546, 624, 702, 728, 756, 819, 936, 1008, 1092, 1404, 1456, 1512, 1638, 1872, 2184, 2457, 2808, 3024, 3276, 4368, 4914, 5616, 6552, 9828, 13104, 19656, 19963, 39312, 39926, 59889, 79852, 119778, 139741, 159704, 179667, 239556, 259519, 279482, 319408, 359334, 419223, 479112, 519038, 539001, 558964, 718668, 778557, 838446, 958224, 1038076, 1078002, 1117928, 1257669, 1437336, 1557114, 1676892, 1816633, 2076152, 2156004, 2235856, 2335671, 2515338, 2874672, 3114228, 3353784, 3633266, 3773007, 4152304, 4312008, 4671342, 5030676, 5449899, 6228456, 6707568, 7007013, 7266532, 7546014, 8624016, 9342684, 10061352, 10899798, 12456912, 14014026, 14533064, 15092028, 16349697, 18685368, 20122704, 21799596, 28028052, 29066128, 30184056, 32699394, 37370736, 43599192, 49049091, 56056104, 60368112, 65398788, 87198384, 98098182, 112112208, 130797576, 196196364, 261595152, 392392728, 784785456]

約数ペア:

[(1, 784785456), (2, 392392728), (3, 261595152), (4, 196196364), (6, 130797576), (7, 112112208), (8, 98098182), (9, 87198384), (12, 65398788), (13, 60368112), (14, 56056104), (16, 49049091), (18, 43599192), (21, 37370736), (24, 32699394), (26, 30184056), (27, 29066128), (28, 28028052), (36, 21799596), (39, 20122704), (42, 18685368), (48, 16349697), (52, 15092028), (54, 14533064), (56, 14014026), (63, 12456912), (72, 10899798), (78, 10061352), (84, 9342684), (91, 8624016), (104, 7546014), (108, 7266532), (112, 7007013), (117, 6707568), (126, 6228456), (144, 5449899), (156, 5030676), (168, 4671342), (182, 4312008), (189, 4152304), (208, 3773007), (216, 3633266), (234, 3353784), (252, 3114228), (273, 2874672), (312, 2515338), (336, 2335671), (351, 2235856), (364, 2156004), (378, 2076152), (432, 1816633), (468, 1676892), (504, 1557114), (546, 1437336), (624, 1257669), (702, 1117928), (728, 1078002), (756, 1038076), (819, 958224), (936, 838446), (1008, 778557), (1092, 718668), (1404, 558964), (1456, 539001), (1512, 519038), (1638, 479112), (1872, 419223), (2184, 359334), (2457, 319408), (2808, 279482), (3024, 259519), (3276, 239556), (4368, 179667), (4914, 159704), (5616, 139741), (6552, 119778), (9828, 79852), (13104, 59889), (19656, 39926), (19963, 39312)]