245764480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 640886400

約数和(自身を除く): 395121920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 109, 128, 130, 160, 208, 218, 260, 271, 320, 416, 436, 520, 542, 545, 640, 832, 872, 1040, 1084, 1090, 1355, 1417, 1664, 1744, 2080, 2168, 2180, 2710, 2834, 3488, 3523, 4160, 4336, 4360, 5420, 5668, 6976, 7046, 7085, 8320, 8672, 8720, 10840, 11336, 13952, 14092, 14170, 17344, 17440, 17615, 21680, 22672, 28184, 28340, 29539, 34688, 34880, 35230, 43360, 45344, 56368, 56680, 59078, 69760, 70460, 86720, 90688, 112736, 113360, 118156, 140920, 147695, 173440, 181376, 225472, 226720, 236312, 281840, 295390, 384007, 450944, 453440, 472624, 563680, 590780, 768014, 906880, 945248, 1127360, 1181560, 1536028, 1890496, 1920035, 2254720, 2363120, 3072056, 3780992, 3840070, 4726240, 6144112, 7680140, 9452480, 12288224, 15360280, 18904960, 24576448, 30720560, 49152896, 61441120, 122882240, 245764480]

約数ペア:

[(1, 245764480), (2, 122882240), (4, 61441120), (5, 49152896), (8, 30720560), (10, 24576448), (13, 18904960), (16, 15360280), (20, 12288224), (26, 9452480), (32, 7680140), (40, 6144112), (52, 4726240), (64, 3840070), (65, 3780992), (80, 3072056), (104, 2363120), (109, 2254720), (128, 1920035), (130, 1890496), (160, 1536028), (208, 1181560), (218, 1127360), (260, 945248), (271, 906880), (320, 768014), (416, 590780), (436, 563680), (520, 472624), (542, 453440), (545, 450944), (640, 384007), (832, 295390), (872, 281840), (1040, 236312), (1084, 226720), (1090, 225472), (1355, 181376), (1417, 173440), (1664, 147695), (1744, 140920), (2080, 118156), (2168, 113360), (2180, 112736), (2710, 90688), (2834, 86720), (3488, 70460), (3523, 69760), (4160, 59078), (4336, 56680), (4360, 56368), (5420, 45344), (5668, 43360), (6976, 35230), (7046, 34880), (7085, 34688), (8320, 29539), (8672, 28340), (8720, 28184), (10840, 22672), (11336, 21680), (13952, 17615), (14092, 17440), (14170, 17344)]