18780184400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{20747}}^1$

素因数の和:20869

約数の個数: 120

約数和(自身を含む): 47215144704

約数和(自身を除く): 28434960304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 73, 80, 100, 124, 146, 155, 200, 248, 292, 310, 365, 400, 496, 584, 620, 730, 775, 1168, 1240, 1460, 1550, 1825, 2263, 2480, 2920, 3100, 3650, 4526, 5840, 6200, 7300, 9052, 11315, 12400, 14600, 18104, 20747, 22630, 29200, 36208, 41494, 45260, 56575, 82988, 90520, 103735, 113150, 165976, 181040, 207470, 226300, 331952, 414940, 452600, 518675, 643157, 829880, 905200, 1037350, 1286314, 1514531, 1659760, 2074700, 2572628, 3029062, 3215785, 4149400, 5145256, 6058124, 6431570, 7572655, 8298800, 10290512, 12116248, 12863140, 15145310, 16078925, 24232496, 25726280, 30290620, 32157850, 37863275, 46950461, 51452560, 60581240, 64315700, 75726550, 93900922, 121162480, 128631400, 151453100, 187801844, 234752305, 257262800, 302906200, 375603688, 469504610, 605812400, 751207376, 939009220, 1173761525, 1878018440, 2347523050, 3756036880, 4695046100, 9390092200, 18780184400]

約数ペア:

[(1, 18780184400), (2, 9390092200), (4, 4695046100), (5, 3756036880), (8, 2347523050), (10, 1878018440), (16, 1173761525), (20, 939009220), (25, 751207376), (31, 605812400), (40, 469504610), (50, 375603688), (62, 302906200), (73, 257262800), (80, 234752305), (100, 187801844), (124, 151453100), (146, 128631400), (155, 121162480), (200, 93900922), (248, 75726550), (292, 64315700), (310, 60581240), (365, 51452560), (400, 46950461), (496, 37863275), (584, 32157850), (620, 30290620), (730, 25726280), (775, 24232496), (1168, 16078925), (1240, 15145310), (1460, 12863140), (1550, 12116248), (1825, 10290512), (2263, 8298800), (2480, 7572655), (2920, 6431570), (3100, 6058124), (3650, 5145256), (4526, 4149400), (5840, 3215785), (6200, 3029062), (7300, 2572628), (9052, 2074700), (11315, 1659760), (12400, 1514531), (14600, 1286314), (18104, 1037350), (20747, 905200), (22630, 829880), (29200, 643157), (36208, 518675), (41494, 452600), (45260, 414940), (56575, 331952), (82988, 226300), (90520, 207470), (103735, 181040), (113150, 165976)]