258720480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19963}}^1$

素因数の和:19990

約数の個数: 120

約数和(自身を含む): 913113432

約数和(自身を除く): 654392952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 19963, 39926, 59889, 79852, 99815, 119778, 159704, 179667, 199630, 239556, 299445, 319408, 359334, 399260, 479112, 539001, 598890, 638816, 718668, 798520, 898335, 958224, 1078002, 1197780, 1437336, 1597040, 1617003, 1796670, 1916448, 2156004, 2395560, 2695005, 2874672, 3194080, 3234006, 3593340, 4312008, 4791120, 5390010, 5749344, 6468012, 7186680, 8085015, 8624016, 9582240, 10780020, 12936024, 14373360, 16170030, 17248032, 21560040, 25872048, 28746720, 32340060, 43120080, 51744096, 64680120, 86240160, 129360240, 258720480]

約数ペア:

[(1, 258720480), (2, 129360240), (3, 86240160), (4, 64680120), (5, 51744096), (6, 43120080), (8, 32340060), (9, 28746720), (10, 25872048), (12, 21560040), (15, 17248032), (16, 16170030), (18, 14373360), (20, 12936024), (24, 10780020), (27, 9582240), (30, 8624016), (32, 8085015), (36, 7186680), (40, 6468012), (45, 5749344), (48, 5390010), (54, 4791120), (60, 4312008), (72, 3593340), (80, 3234006), (81, 3194080), (90, 2874672), (96, 2695005), (108, 2395560), (120, 2156004), (135, 1916448), (144, 1796670), (160, 1617003), (162, 1597040), (180, 1437336), (216, 1197780), (240, 1078002), (270, 958224), (288, 898335), (324, 798520), (360, 718668), (405, 638816), (432, 598890), (480, 539001), (540, 479112), (648, 399260), (720, 359334), (810, 319408), (864, 299445), (1080, 239556), (1296, 199630), (1440, 179667), (1620, 159704), (2160, 119778), (2592, 99815), (3240, 79852), (4320, 59889), (6480, 39926), (12960, 19963)]