291374720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5003}}^1$

素因数の和:5042

約数の個数: 128

約数和(自身を含む): 857485440

約数和(自身を除く): 566110720

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, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5003, 5824, 7280, 8320, 10006, 11648, 14560, 20012, 25015, 29120, 35021, 40024, 50030, 58240, 65039, 70042, 80048, 100060, 130078, 140084, 160096, 175105, 200120, 260156, 280168, 320192, 325195, 350210, 400240, 455273, 520312, 560336, 640384, 650390, 700420, 800480, 910546, 1040624, 1120672, 1300780, 1400840, 1600960, 1821092, 2081248, 2241344, 2276365, 2601560, 2801680, 3201920, 3642184, 4162496, 4482688, 4552730, 5203120, 5603360, 7284368, 8324992, 9105460, 10406240, 11206720, 14568736, 18210920, 20812480, 22413440, 29137472, 36421840, 41624960, 58274944, 72843680, 145687360, 291374720]

約数ペア:

[(1, 291374720), (2, 145687360), (4, 72843680), (5, 58274944), (7, 41624960), (8, 36421840), (10, 29137472), (13, 22413440), (14, 20812480), (16, 18210920), (20, 14568736), (26, 11206720), (28, 10406240), (32, 9105460), (35, 8324992), (40, 7284368), (52, 5603360), (56, 5203120), (64, 4552730), (65, 4482688), (70, 4162496), (80, 3642184), (91, 3201920), (104, 2801680), (112, 2601560), (128, 2276365), (130, 2241344), (140, 2081248), (160, 1821092), (182, 1600960), (208, 1400840), (224, 1300780), (260, 1120672), (280, 1040624), (320, 910546), (364, 800480), (416, 700420), (448, 650390), (455, 640384), (520, 560336), (560, 520312), (640, 455273), (728, 400240), (832, 350210), (896, 325195), (910, 320192), (1040, 280168), (1120, 260156), (1456, 200120), (1664, 175105), (1820, 160096), (2080, 140084), (2240, 130078), (2912, 100060), (3640, 80048), (4160, 70042), (4480, 65039), (5003, 58240), (5824, 50030), (7280, 40024), (8320, 35021), (10006, 29120), (11648, 25015), (14560, 20012)]