20381178480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107089}}^1$

素因数の和:107179

約数の個数: 160

約数和(自身を含む): 69157865280

約数和(自身を除く): 48776686800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 183, 195, 208, 240, 244, 260, 305, 312, 366, 390, 488, 520, 610, 624, 732, 780, 793, 915, 976, 1040, 1220, 1464, 1560, 1586, 1830, 2379, 2440, 2928, 3120, 3172, 3660, 3965, 4758, 4880, 6344, 7320, 7930, 9516, 11895, 12688, 14640, 15860, 19032, 23790, 31720, 38064, 47580, 63440, 95160, 107089, 190320, 214178, 321267, 428356, 535445, 642534, 856712, 1070890, 1285068, 1392157, 1606335, 1713424, 2141780, 2570136, 2784314, 3212670, 4176471, 4283560, 5140272, 5568628, 6425340, 6532429, 6960785, 8352942, 8567120, 11137256, 12850680, 13064858, 13921570, 16705884, 19597287, 20882355, 22274512, 25701360, 26129716, 27843140, 32662145, 33411768, 39194574, 41764710, 52259432, 55686280, 65324290, 66823536, 78389148, 83529420, 84921577, 97986435, 104518864, 111372560, 130648580, 156778296, 167058840, 169843154, 195972870, 254764731, 261297160, 313556592, 334117680, 339686308, 391945740, 424607885, 509529462, 522594320, 679372616, 783891480, 849215770, 1019058924, 1273823655, 1358745232, 1567782960, 1698431540, 2038117848, 2547647310, 3396863080, 4076235696, 5095294620, 6793726160, 10190589240, 20381178480]

約数ペア:

[(1, 20381178480), (2, 10190589240), (3, 6793726160), (4, 5095294620), (5, 4076235696), (6, 3396863080), (8, 2547647310), (10, 2038117848), (12, 1698431540), (13, 1567782960), (15, 1358745232), (16, 1273823655), (20, 1019058924), (24, 849215770), (26, 783891480), (30, 679372616), (39, 522594320), (40, 509529462), (48, 424607885), (52, 391945740), (60, 339686308), (61, 334117680), (65, 313556592), (78, 261297160), (80, 254764731), (104, 195972870), (120, 169843154), (122, 167058840), (130, 156778296), (156, 130648580), (183, 111372560), (195, 104518864), (208, 97986435), (240, 84921577), (244, 83529420), (260, 78389148), (305, 66823536), (312, 65324290), (366, 55686280), (390, 52259432), (488, 41764710), (520, 39194574), (610, 33411768), (624, 32662145), (732, 27843140), (780, 26129716), (793, 25701360), (915, 22274512), (976, 20882355), (1040, 19597287), (1220, 16705884), (1464, 13921570), (1560, 13064858), (1586, 12850680), (1830, 11137256), (2379, 8567120), (2440, 8352942), (2928, 6960785), (3120, 6532429), (3172, 6425340), (3660, 5568628), (3965, 5140272), (4758, 4283560), (4880, 4176471), (6344, 3212670), (7320, 2784314), (7930, 2570136), (9516, 2141780), (11895, 1713424), (12688, 1606335), (14640, 1392157), (15860, 1285068), (19032, 1070890), (23790, 856712), (31720, 642534), (38064, 535445), (47580, 428356), (63440, 321267), (95160, 214178), (107089, 190320)]