61520640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 202257888

約数和(自身を除く): 140737248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 370, 384, 433, 444, 480, 555, 592, 640, 740, 768, 866, 888, 960, 1110, 1184, 1280, 1299, 1480, 1732, 1776, 1920, 2165, 2220, 2368, 2598, 2960, 3464, 3552, 3840, 4330, 4440, 4736, 5196, 5920, 6495, 6928, 7104, 8660, 8880, 9472, 10392, 11840, 12990, 13856, 14208, 16021, 17320, 17760, 20784, 23680, 25980, 27712, 28416, 32042, 34640, 35520, 41568, 47360, 48063, 51960, 55424, 64084, 69280, 71040, 80105, 83136, 96126, 103920, 110848, 128168, 138560, 142080, 160210, 166272, 192252, 207840, 240315, 256336, 277120, 320420, 332544, 384504, 415680, 480630, 512672, 554240, 640840, 769008, 831360, 961260, 1025344, 1281680, 1538016, 1662720, 1922520, 2050688, 2563360, 3076032, 3845040, 4101376, 5126720, 6152064, 7690080, 10253440, 12304128, 15380160, 20506880, 30760320, 61520640]

約数ペア:

[(1, 61520640), (2, 30760320), (3, 20506880), (4, 15380160), (5, 12304128), (6, 10253440), (8, 7690080), (10, 6152064), (12, 5126720), (15, 4101376), (16, 3845040), (20, 3076032), (24, 2563360), (30, 2050688), (32, 1922520), (37, 1662720), (40, 1538016), (48, 1281680), (60, 1025344), (64, 961260), (74, 831360), (80, 769008), (96, 640840), (111, 554240), (120, 512672), (128, 480630), (148, 415680), (160, 384504), (185, 332544), (192, 320420), (222, 277120), (240, 256336), (256, 240315), (296, 207840), (320, 192252), (370, 166272), (384, 160210), (433, 142080), (444, 138560), (480, 128168), (555, 110848), (592, 103920), (640, 96126), (740, 83136), (768, 80105), (866, 71040), (888, 69280), (960, 64084), (1110, 55424), (1184, 51960), (1280, 48063), (1299, 47360), (1480, 41568), (1732, 35520), (1776, 34640), (1920, 32042), (2165, 28416), (2220, 27712), (2368, 25980), (2598, 23680), (2960, 20784), (3464, 17760), (3552, 17320), (3840, 16021), (4330, 14208), (4440, 13856), (4736, 12990), (5196, 11840), (5920, 10392), (6495, 9472), (6928, 8880), (7104, 8660)]