128739520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4458

約数の個数: 112

約数和(自身を含む): 377391168

約数和(自身を除く): 248651648

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 4421, 5824, 7280, 8842, 14560, 17684, 22105, 29120, 30947, 35368, 44210, 57473, 61894, 70736, 88420, 114946, 123788, 141472, 154735, 176840, 229892, 247576, 282944, 287365, 309470, 353680, 402311, 459784, 495152, 574730, 618940, 707360, 804622, 919568, 990304, 1149460, 1237880, 1414720, 1609244, 1839136, 1980608, 2011555, 2298920, 2475760, 3218488, 3678272, 4023110, 4597840, 4951520, 6436976, 8046220, 9195680, 9903040, 12873952, 16092440, 18391360, 25747904, 32184880, 64369760, 128739520]

約数ペア:

[(1, 128739520), (2, 64369760), (4, 32184880), (5, 25747904), (7, 18391360), (8, 16092440), (10, 12873952), (13, 9903040), (14, 9195680), (16, 8046220), (20, 6436976), (26, 4951520), (28, 4597840), (32, 4023110), (35, 3678272), (40, 3218488), (52, 2475760), (56, 2298920), (64, 2011555), (65, 1980608), (70, 1839136), (80, 1609244), (91, 1414720), (104, 1237880), (112, 1149460), (130, 990304), (140, 919568), (160, 804622), (182, 707360), (208, 618940), (224, 574730), (260, 495152), (280, 459784), (320, 402311), (364, 353680), (416, 309470), (448, 287365), (455, 282944), (520, 247576), (560, 229892), (728, 176840), (832, 154735), (910, 141472), (1040, 123788), (1120, 114946), (1456, 88420), (1820, 70736), (2080, 61894), (2240, 57473), (2912, 44210), (3640, 35368), (4160, 30947), (4421, 29120), (5824, 22105), (7280, 17684), (8842, 14560)]