18288547920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25400761}}^1$

素因数の和:25400780

約数の個数: 60

約数和(自身を含む): 61419042516

約数和(自身を除く): 43130494596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25400761, 50801522, 76202283, 101603044, 127003805, 152404566, 203206088, 228606849, 254007610, 304809132, 381011415, 406412176, 457213698, 508015220, 609618264, 762022830, 914427396, 1016030440, 1143034245, 1219236528, 1524045660, 1828854792, 2032060880, 2286068490, 3048091320, 3657709584, 4572136980, 6096182640, 9144273960, 18288547920]

約数ペア:

[(1, 18288547920), (2, 9144273960), (3, 6096182640), (4, 4572136980), (5, 3657709584), (6, 3048091320), (8, 2286068490), (9, 2032060880), (10, 1828854792), (12, 1524045660), (15, 1219236528), (16, 1143034245), (18, 1016030440), (20, 914427396), (24, 762022830), (30, 609618264), (36, 508015220), (40, 457213698), (45, 406412176), (48, 381011415), (60, 304809132), (72, 254007610), (80, 228606849), (90, 203206088), (120, 152404566), (144, 127003805), (180, 101603044), (240, 76202283), (360, 50801522), (720, 25400761)]