81603480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5153

約数の個数: 128

約数和(自身を含む): 294566400

約数和(自身を除く): 212962920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5113, 5320, 7980, 10226, 15339, 15960, 20452, 25565, 30678, 35791, 40904, 51130, 61356, 71582, 76695, 97147, 102260, 107373, 122712, 143164, 153390, 178955, 194294, 204520, 214746, 286328, 291441, 306780, 357910, 388588, 429492, 485735, 536865, 582882, 613560, 680029, 715820, 777176, 858984, 971470, 1073730, 1165764, 1360058, 1431640, 1457205, 1942940, 2040087, 2147460, 2331528, 2720116, 2914410, 3400145, 3885880, 4080174, 4294920, 5440232, 5828820, 6800290, 8160348, 10200435, 11657640, 13600580, 16320696, 20400870, 27201160, 40801740, 81603480]

約数ペア:

[(1, 81603480), (2, 40801740), (3, 27201160), (4, 20400870), (5, 16320696), (6, 13600580), (7, 11657640), (8, 10200435), (10, 8160348), (12, 6800290), (14, 5828820), (15, 5440232), (19, 4294920), (20, 4080174), (21, 3885880), (24, 3400145), (28, 2914410), (30, 2720116), (35, 2331528), (38, 2147460), (40, 2040087), (42, 1942940), (56, 1457205), (57, 1431640), (60, 1360058), (70, 1165764), (76, 1073730), (84, 971470), (95, 858984), (105, 777176), (114, 715820), (120, 680029), (133, 613560), (140, 582882), (152, 536865), (168, 485735), (190, 429492), (210, 388588), (228, 357910), (266, 306780), (280, 291441), (285, 286328), (380, 214746), (399, 204520), (420, 194294), (456, 178955), (532, 153390), (570, 143164), (665, 122712), (760, 107373), (798, 102260), (840, 97147), (1064, 76695), (1140, 71582), (1330, 61356), (1596, 51130), (1995, 40904), (2280, 35791), (2660, 30678), (3192, 25565), (3990, 20452), (5113, 15960), (5320, 15339), (7980, 10226)]