90155680

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 222412176

約数和(自身を除く): 132256496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 97, 148, 157, 160, 185, 194, 296, 314, 370, 388, 485, 592, 628, 740, 776, 785, 970, 1184, 1256, 1480, 1552, 1570, 1940, 2512, 2960, 3104, 3140, 3589, 3880, 5024, 5809, 5920, 6280, 7178, 7760, 11618, 12560, 14356, 15229, 15520, 17945, 23236, 25120, 28712, 29045, 30458, 35890, 46472, 57424, 58090, 60916, 71780, 76145, 92944, 114848, 116180, 121832, 143560, 152290, 185888, 232360, 243664, 287120, 304580, 464720, 487328, 563473, 574240, 609160, 929440, 1126946, 1218320, 2253892, 2436640, 2817365, 4507784, 5634730, 9015568, 11269460, 18031136, 22538920, 45077840, 90155680]

約数ペア:

[(1, 90155680), (2, 45077840), (4, 22538920), (5, 18031136), (8, 11269460), (10, 9015568), (16, 5634730), (20, 4507784), (32, 2817365), (37, 2436640), (40, 2253892), (74, 1218320), (80, 1126946), (97, 929440), (148, 609160), (157, 574240), (160, 563473), (185, 487328), (194, 464720), (296, 304580), (314, 287120), (370, 243664), (388, 232360), (485, 185888), (592, 152290), (628, 143560), (740, 121832), (776, 116180), (785, 114848), (970, 92944), (1184, 76145), (1256, 71780), (1480, 60916), (1552, 58090), (1570, 57424), (1940, 46472), (2512, 35890), (2960, 30458), (3104, 29045), (3140, 28712), (3589, 25120), (3880, 23236), (5024, 17945), (5809, 15520), (5920, 15229), (6280, 14356), (7178, 12560), (7760, 11618)]