204786720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2095

約数の個数: 144

約数和(自身を含む): 709031232

約数和(自身を除く): 504244512

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, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 2003, 2130, 2272, 2556, 2840, 3195, 3408, 4006, 4260, 5112, 5680, 6009, 6390, 6816, 8012, 8520, 10015, 10224, 11360, 12018, 12780, 16024, 17040, 18027, 20030, 20448, 24036, 25560, 30045, 32048, 34080, 36054, 40060, 48072, 51120, 60090, 64096, 72108, 80120, 90135, 96144, 102240, 120180, 142213, 144216, 160240, 180270, 192288, 240360, 284426, 288432, 320480, 360540, 426639, 480720, 568852, 576864, 711065, 721080, 853278, 961440, 1137704, 1279917, 1422130, 1442160, 1706556, 2133195, 2275408, 2559834, 2844260, 2884320, 3413112, 4266390, 4550816, 5119668, 5688520, 6399585, 6826224, 8532780, 10239336, 11377040, 12799170, 13652448, 17065560, 20478672, 22754080, 25598340, 34131120, 40957344, 51196680, 68262240, 102393360, 204786720]

約数ペア:

[(1, 204786720), (2, 102393360), (3, 68262240), (4, 51196680), (5, 40957344), (6, 34131120), (8, 25598340), (9, 22754080), (10, 20478672), (12, 17065560), (15, 13652448), (16, 12799170), (18, 11377040), (20, 10239336), (24, 8532780), (30, 6826224), (32, 6399585), (36, 5688520), (40, 5119668), (45, 4550816), (48, 4266390), (60, 3413112), (71, 2884320), (72, 2844260), (80, 2559834), (90, 2275408), (96, 2133195), (120, 1706556), (142, 1442160), (144, 1422130), (160, 1279917), (180, 1137704), (213, 961440), (240, 853278), (284, 721080), (288, 711065), (355, 576864), (360, 568852), (426, 480720), (480, 426639), (568, 360540), (639, 320480), (710, 288432), (720, 284426), (852, 240360), (1065, 192288), (1136, 180270), (1278, 160240), (1420, 144216), (1440, 142213), (1704, 120180), (2003, 102240), (2130, 96144), (2272, 90135), (2556, 80120), (2840, 72108), (3195, 64096), (3408, 60090), (4006, 51120), (4260, 48072), (5112, 40060), (5680, 36054), (6009, 34080), (6390, 32048), (6816, 30045), (8012, 25560), (8520, 24036), (10015, 20448), (10224, 20030), (11360, 18027), (12018, 17040), (12780, 16024)]