1780567490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{863}}^1$

素因数の和:1211

約数の個数: 64

約数和(自身を含む): 3527193600

約数和(自身を除く): 1746626110

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 269, 295, 538, 590, 767, 863, 1345, 1534, 1726, 2690, 3497, 3835, 4315, 6994, 7670, 8630, 11219, 15871, 17485, 22438, 31742, 34970, 50917, 56095, 79355, 101834, 112190, 158710, 206323, 232147, 254585, 412646, 464294, 509170, 661921, 1031615, 1160735, 1323842, 2063230, 2321470, 3017911, 3309605, 6035822, 6619210, 13696673, 15089555, 27393346, 30179110, 68483365, 136966730, 178056749, 356113498, 890283745, 1780567490]

約数ペア:

[(1, 1780567490), (2, 890283745), (5, 356113498), (10, 178056749), (13, 136966730), (26, 68483365), (59, 30179110), (65, 27393346), (118, 15089555), (130, 13696673), (269, 6619210), (295, 6035822), (538, 3309605), (590, 3017911), (767, 2321470), (863, 2063230), (1345, 1323842), (1534, 1160735), (1726, 1031615), (2690, 661921), (3497, 509170), (3835, 464294), (4315, 412646), (6994, 254585), (7670, 232147), (8630, 206323), (11219, 158710), (15871, 112190), (17485, 101834), (22438, 79355), (31742, 56095), (34970, 50917)]