254921520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 240

約数和(自身を含む): 938913120

約数和(自身を除く): 683991600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 53, 56, 60, 70, 80, 84, 98, 105, 106, 112, 120, 140, 147, 159, 168, 196, 210, 212, 240, 245, 265, 280, 294, 318, 336, 371, 392, 409, 420, 424, 490, 530, 560, 588, 636, 735, 742, 784, 795, 818, 840, 848, 980, 1060, 1113, 1176, 1227, 1272, 1470, 1484, 1590, 1636, 1680, 1855, 1960, 2045, 2120, 2226, 2352, 2454, 2544, 2597, 2863, 2940, 2968, 3180, 3272, 3710, 3920, 4090, 4240, 4452, 4908, 5194, 5565, 5726, 5880, 5936, 6135, 6360, 6544, 7420, 7791, 8180, 8589, 8904, 9816, 10388, 11130, 11452, 11760, 12270, 12720, 12985, 14315, 14840, 15582, 16360, 17178, 17808, 19632, 20041, 20776, 21677, 22260, 22904, 24540, 25970, 28630, 29680, 31164, 32720, 34356, 38955, 40082, 41552, 42945, 43354, 44520, 45808, 49080, 51940, 57260, 60123, 62328, 65031, 68712, 77910, 80164, 85890, 86708, 89040, 98160, 100205, 103880, 108385, 114520, 120246, 124656, 130062, 137424, 151739, 155820, 160328, 171780, 173416, 200410, 207760, 216770, 229040, 240492, 260124, 300615, 303478, 311640, 320656, 325155, 343560, 346832, 400820, 433540, 455217, 480984, 520248, 601230, 606956, 623280, 650310, 687120, 758695, 801640, 867080, 910434, 961968, 1040496, 1062173, 1202460, 1213912, 1300620, 1517390, 1603280, 1734160, 1820868, 2124346, 2276085, 2404920, 2427824, 2601240, 3034780, 3186519, 3641736, 4248692, 4552170, 4809840, 5202480, 5310865, 6069560, 6373038, 7283472, 8497384, 9104340, 10621730, 12139120, 12746076, 15932595, 16994768, 18208680, 21243460, 25492152, 31865190, 36417360, 42486920, 50984304, 63730380, 84973840, 127460760, 254921520]

約数ペア:

[(1, 254921520), (2, 127460760), (3, 84973840), (4, 63730380), (5, 50984304), (6, 42486920), (7, 36417360), (8, 31865190), (10, 25492152), (12, 21243460), (14, 18208680), (15, 16994768), (16, 15932595), (20, 12746076), (21, 12139120), (24, 10621730), (28, 9104340), (30, 8497384), (35, 7283472), (40, 6373038), (42, 6069560), (48, 5310865), (49, 5202480), (53, 4809840), (56, 4552170), (60, 4248692), (70, 3641736), (80, 3186519), (84, 3034780), (98, 2601240), (105, 2427824), (106, 2404920), (112, 2276085), (120, 2124346), (140, 1820868), (147, 1734160), (159, 1603280), (168, 1517390), (196, 1300620), (210, 1213912), (212, 1202460), (240, 1062173), (245, 1040496), (265, 961968), (280, 910434), (294, 867080), (318, 801640), (336, 758695), (371, 687120), (392, 650310), (409, 623280), (420, 606956), (424, 601230), (490, 520248), (530, 480984), (560, 455217), (588, 433540), (636, 400820), (735, 346832), (742, 343560), (784, 325155), (795, 320656), (818, 311640), (840, 303478), (848, 300615), (980, 260124), (1060, 240492), (1113, 229040), (1176, 216770), (1227, 207760), (1272, 200410), (1470, 173416), (1484, 171780), (1590, 160328), (1636, 155820), (1680, 151739), (1855, 137424), (1960, 130062), (2045, 124656), (2120, 120246), (2226, 114520), (2352, 108385), (2454, 103880), (2544, 100205), (2597, 98160), (2863, 89040), (2940, 86708), (2968, 85890), (3180, 80164), (3272, 77910), (3710, 68712), (3920, 65031), (4090, 62328), (4240, 60123), (4452, 57260), (4908, 51940), (5194, 49080), (5565, 45808), (5726, 44520), (5880, 43354), (5936, 42945), (6135, 41552), (6360, 40082), (6544, 38955), (7420, 34356), (7791, 32720), (8180, 31164), (8589, 29680), (8904, 28630), (9816, 25970), (10388, 24540), (11130, 22904), (11452, 22260), (11760, 21677), (12270, 20776), (12720, 20041), (12985, 19632), (14315, 17808), (14840, 17178), (15582, 16360)]