20123694720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49207}}^1$

素因数の和:49303

約数の個数: 192

約数和(自身を含む): 70469792640

約数和(自身を除く): 50346097920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 284, 288, 320, 355, 360, 384, 426, 480, 568, 576, 639, 640, 710, 720, 852, 960, 1065, 1136, 1152, 1278, 1420, 1440, 1704, 1920, 2130, 2272, 2556, 2840, 2880, 3195, 3408, 4260, 4544, 5112, 5680, 5760, 6390, 6816, 8520, 9088, 10224, 11360, 12780, 13632, 17040, 20448, 22720, 25560, 27264, 34080, 40896, 45440, 49207, 51120, 68160, 81792, 98414, 102240, 136320, 147621, 196828, 204480, 246035, 295242, 393656, 408960, 442863, 492070, 590484, 738105, 787312, 885726, 984140, 1180968, 1476210, 1574624, 1771452, 1968280, 2214315, 2361936, 2952420, 3149248, 3493697, 3542904, 3936560, 4428630, 4723872, 5904840, 6298496, 6987394, 7085808, 7873120, 8857260, 9447744, 10481091, 11809680, 13974788, 14171616, 15746240, 17468485, 17714520, 18895488, 20962182, 23619360, 27949576, 28343232, 31443273, 31492480, 34936970, 35429040, 41924364, 47238720, 52405455, 55899152, 56686464, 62886546, 69873940, 70858080, 83848728, 94477440, 104810910, 111798304, 125773092, 139747880, 141716160, 157216365, 167697456, 209621820, 223596608, 251546184, 279495760, 283432320, 314432730, 335394912, 419243640, 447193216, 503092368, 558991520, 628865460, 670789824, 838487280, 1006184736, 1117983040, 1257730920, 1341579648, 1676974560, 2012369472, 2235966080, 2515461840, 3353949120, 4024738944, 5030923680, 6707898240, 10061847360, 20123694720]

約数ペア:

[(1, 20123694720), (2, 10061847360), (3, 6707898240), (4, 5030923680), (5, 4024738944), (6, 3353949120), (8, 2515461840), (9, 2235966080), (10, 2012369472), (12, 1676974560), (15, 1341579648), (16, 1257730920), (18, 1117983040), (20, 1006184736), (24, 838487280), (30, 670789824), (32, 628865460), (36, 558991520), (40, 503092368), (45, 447193216), (48, 419243640), (60, 335394912), (64, 314432730), (71, 283432320), (72, 279495760), (80, 251546184), (90, 223596608), (96, 209621820), (120, 167697456), (128, 157216365), (142, 141716160), (144, 139747880), (160, 125773092), (180, 111798304), (192, 104810910), (213, 94477440), (240, 83848728), (284, 70858080), (288, 69873940), (320, 62886546), (355, 56686464), (360, 55899152), (384, 52405455), (426, 47238720), (480, 41924364), (568, 35429040), (576, 34936970), (639, 31492480), (640, 31443273), (710, 28343232), (720, 27949576), (852, 23619360), (960, 20962182), (1065, 18895488), (1136, 17714520), (1152, 17468485), (1278, 15746240), (1420, 14171616), (1440, 13974788), (1704, 11809680), (1920, 10481091), (2130, 9447744), (2272, 8857260), (2556, 7873120), (2840, 7085808), (2880, 6987394), (3195, 6298496), (3408, 5904840), (4260, 4723872), (4544, 4428630), (5112, 3936560), (5680, 3542904), (5760, 3493697), (6390, 3149248), (6816, 2952420), (8520, 2361936), (9088, 2214315), (10224, 1968280), (11360, 1771452), (12780, 1574624), (13632, 1476210), (17040, 1180968), (20448, 984140), (22720, 885726), (25560, 787312), (27264, 738105), (34080, 590484), (40896, 492070), (45440, 442863), (49207, 408960), (51120, 393656), (68160, 295242), (81792, 246035), (98414, 204480), (102240, 196828), (136320, 147621)]