4900480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 128

約数和(自身を含む): 13708800

約数和(自身を除く): 8808320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 128, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 320, 380, 403, 416, 494, 496, 520, 589, 608, 620, 640, 760, 806, 832, 988, 992, 1040, 1178, 1216, 1235, 1240, 1520, 1612, 1664, 1976, 1984, 2015, 2080, 2356, 2432, 2470, 2480, 2945, 3040, 3224, 3952, 3968, 4030, 4160, 4712, 4940, 4960, 5890, 6080, 6448, 7657, 7904, 8060, 8320, 9424, 9880, 9920, 11780, 12160, 12896, 15314, 15808, 16120, 18848, 19760, 19840, 23560, 25792, 30628, 31616, 32240, 37696, 38285, 39520, 47120, 51584, 61256, 64480, 75392, 76570, 79040, 94240, 122512, 128960, 153140, 158080, 188480, 245024, 257920, 306280, 376960, 490048, 612560, 980096, 1225120, 2450240, 4900480]

約数ペア:

[(1, 4900480), (2, 2450240), (4, 1225120), (5, 980096), (8, 612560), (10, 490048), (13, 376960), (16, 306280), (19, 257920), (20, 245024), (26, 188480), (31, 158080), (32, 153140), (38, 128960), (40, 122512), (52, 94240), (62, 79040), (64, 76570), (65, 75392), (76, 64480), (80, 61256), (95, 51584), (104, 47120), (124, 39520), (128, 38285), (130, 37696), (152, 32240), (155, 31616), (160, 30628), (190, 25792), (208, 23560), (247, 19840), (248, 19760), (260, 18848), (304, 16120), (310, 15808), (320, 15314), (380, 12896), (403, 12160), (416, 11780), (494, 9920), (496, 9880), (520, 9424), (589, 8320), (608, 8060), (620, 7904), (640, 7657), (760, 6448), (806, 6080), (832, 5890), (988, 4960), (992, 4940), (1040, 4712), (1178, 4160), (1216, 4030), (1235, 3968), (1240, 3952), (1520, 3224), (1612, 3040), (1664, 2945), (1976, 2480), (1984, 2470), (2015, 2432), (2080, 2356)]