331371180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1453}}^1$

素因数の和:1656

約数の個数: 144

約数和(自身を含む): 1155895104

約数和(自身を除く): 824523924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 181, 210, 252, 315, 362, 420, 543, 630, 724, 905, 1086, 1260, 1267, 1453, 1629, 1810, 2172, 2534, 2715, 2906, 3258, 3620, 3801, 4359, 5068, 5430, 5812, 6335, 6516, 7265, 7602, 8145, 8718, 10171, 10860, 11403, 12670, 13077, 14530, 15204, 16290, 17436, 19005, 20342, 21795, 22806, 25340, 26154, 29060, 30513, 32580, 38010, 40684, 43590, 45612, 50855, 52308, 57015, 61026, 65385, 76020, 87180, 91539, 101710, 114030, 122052, 130770, 152565, 183078, 203420, 228060, 261540, 262993, 305130, 366156, 457695, 525986, 610260, 788979, 915390, 1051972, 1314965, 1577958, 1830780, 1840951, 2366937, 2629930, 3155916, 3681902, 3944895, 4733874, 5259860, 5522853, 7363804, 7889790, 9204755, 9467748, 11045706, 11834685, 15779580, 16568559, 18409510, 22091412, 23669370, 27614265, 33137118, 36819020, 47338740, 55228530, 66274236, 82842795, 110457060, 165685590, 331371180]

約数ペア:

[(1, 331371180), (2, 165685590), (3, 110457060), (4, 82842795), (5, 66274236), (6, 55228530), (7, 47338740), (9, 36819020), (10, 33137118), (12, 27614265), (14, 23669370), (15, 22091412), (18, 18409510), (20, 16568559), (21, 15779580), (28, 11834685), (30, 11045706), (35, 9467748), (36, 9204755), (42, 7889790), (45, 7363804), (60, 5522853), (63, 5259860), (70, 4733874), (84, 3944895), (90, 3681902), (105, 3155916), (126, 2629930), (140, 2366937), (180, 1840951), (181, 1830780), (210, 1577958), (252, 1314965), (315, 1051972), (362, 915390), (420, 788979), (543, 610260), (630, 525986), (724, 457695), (905, 366156), (1086, 305130), (1260, 262993), (1267, 261540), (1453, 228060), (1629, 203420), (1810, 183078), (2172, 152565), (2534, 130770), (2715, 122052), (2906, 114030), (3258, 101710), (3620, 91539), (3801, 87180), (4359, 76020), (5068, 65385), (5430, 61026), (5812, 57015), (6335, 52308), (6516, 50855), (7265, 45612), (7602, 43590), (8145, 40684), (8718, 38010), (10171, 32580), (10860, 30513), (11403, 29060), (12670, 26154), (13077, 25340), (14530, 22806), (15204, 21795), (16290, 20342), (17436, 19005)]