1320991872

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:914

約数の個数: 128

約数和(自身を含む): 3711494400

約数和(自身を除く): 2390502528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 304, 331, 384, 456, 547, 608, 662, 912, 993, 1094, 1216, 1324, 1641, 1824, 1986, 2188, 2432, 2648, 3282, 3648, 3972, 4376, 5296, 6289, 6564, 7296, 7944, 8752, 10393, 10592, 12578, 13128, 15888, 17504, 18867, 20786, 21184, 25156, 26256, 31179, 31776, 35008, 37734, 41572, 42368, 50312, 52512, 62358, 63552, 70016, 75468, 83144, 100624, 105024, 124716, 127104, 150936, 166288, 181057, 201248, 210048, 249432, 301872, 332576, 362114, 402496, 498864, 543171, 603744, 665152, 724228, 804992, 997728, 1086342, 1207488, 1330304, 1448456, 1995456, 2172684, 2414976, 2896912, 3440083, 3990912, 4345368, 5793824, 6880166, 8690736, 10320249, 11587648, 13760332, 17381472, 20640498, 23175296, 27520664, 34762944, 41280996, 55041328, 69525888, 82561992, 110082656, 165123984, 220165312, 330247968, 440330624, 660495936, 1320991872]

約数ペア:

[(1, 1320991872), (2, 660495936), (3, 440330624), (4, 330247968), (6, 220165312), (8, 165123984), (12, 110082656), (16, 82561992), (19, 69525888), (24, 55041328), (32, 41280996), (38, 34762944), (48, 27520664), (57, 23175296), (64, 20640498), (76, 17381472), (96, 13760332), (114, 11587648), (128, 10320249), (152, 8690736), (192, 6880166), (228, 5793824), (304, 4345368), (331, 3990912), (384, 3440083), (456, 2896912), (547, 2414976), (608, 2172684), (662, 1995456), (912, 1448456), (993, 1330304), (1094, 1207488), (1216, 1086342), (1324, 997728), (1641, 804992), (1824, 724228), (1986, 665152), (2188, 603744), (2432, 543171), (2648, 498864), (3282, 402496), (3648, 362114), (3972, 332576), (4376, 301872), (5296, 249432), (6289, 210048), (6564, 201248), (7296, 181057), (7944, 166288), (8752, 150936), (10393, 127104), (10592, 124716), (12578, 105024), (13128, 100624), (15888, 83144), (17504, 75468), (18867, 70016), (20786, 63552), (21184, 62358), (25156, 52512), (26256, 50312), (31179, 42368), (31776, 41572), (35008, 37734)]