291403710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1451

約数の個数: 128

約数和(自身を含む): 851195520

約数和(自身を除く): 559791810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 61, 65, 78, 90, 117, 122, 130, 135, 183, 195, 234, 270, 305, 351, 366, 390, 549, 585, 610, 702, 793, 915, 1098, 1170, 1361, 1586, 1647, 1755, 1830, 2379, 2722, 2745, 3294, 3510, 3965, 4083, 4758, 5490, 6805, 7137, 7930, 8166, 8235, 11895, 12249, 13610, 14274, 16470, 17693, 20415, 21411, 23790, 24498, 35386, 35685, 36747, 40830, 42822, 53079, 61245, 71370, 73494, 83021, 88465, 106158, 107055, 122490, 159237, 166042, 176930, 183735, 214110, 249063, 265395, 318474, 367470, 415105, 477711, 498126, 530790, 747189, 796185, 830210, 955422, 1079273, 1245315, 1494378, 1592370, 2158546, 2241567, 2388555, 2490630, 3237819, 3735945, 4483134, 4777110, 5396365, 6475638, 7471890, 9713457, 10792730, 11207835, 16189095, 19426914, 22415670, 29140371, 32378190, 48567285, 58280742, 97134570, 145701855, 291403710]

約数ペア:

[(1, 291403710), (2, 145701855), (3, 97134570), (5, 58280742), (6, 48567285), (9, 32378190), (10, 29140371), (13, 22415670), (15, 19426914), (18, 16189095), (26, 11207835), (27, 10792730), (30, 9713457), (39, 7471890), (45, 6475638), (54, 5396365), (61, 4777110), (65, 4483134), (78, 3735945), (90, 3237819), (117, 2490630), (122, 2388555), (130, 2241567), (135, 2158546), (183, 1592370), (195, 1494378), (234, 1245315), (270, 1079273), (305, 955422), (351, 830210), (366, 796185), (390, 747189), (549, 530790), (585, 498126), (610, 477711), (702, 415105), (793, 367470), (915, 318474), (1098, 265395), (1170, 249063), (1361, 214110), (1586, 183735), (1647, 176930), (1755, 166042), (1830, 159237), (2379, 122490), (2722, 107055), (2745, 106158), (3294, 88465), (3510, 83021), (3965, 73494), (4083, 71370), (4758, 61245), (5490, 53079), (6805, 42822), (7137, 40830), (7930, 36747), (8166, 35685), (8235, 35386), (11895, 24498), (12249, 23790), (13610, 21411), (14274, 20415), (16470, 17693)]