25981440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 160

約数和(自身を含む): 88387200

約数和(自身を除く): 62405760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 199, 204, 240, 255, 256, 272, 320, 340, 384, 398, 408, 480, 510, 512, 544, 597, 640, 680, 768, 796, 816, 960, 995, 1020, 1088, 1194, 1280, 1360, 1536, 1592, 1632, 1920, 1990, 2040, 2176, 2388, 2560, 2720, 2985, 3184, 3264, 3383, 3840, 3980, 4080, 4352, 4776, 5440, 5970, 6368, 6528, 6766, 7680, 7960, 8160, 8704, 9552, 10149, 10880, 11940, 12736, 13056, 13532, 15920, 16320, 16915, 19104, 20298, 21760, 23880, 25472, 26112, 27064, 31840, 32640, 33830, 38208, 40596, 43520, 47760, 50745, 50944, 54128, 63680, 65280, 67660, 76416, 81192, 95520, 101490, 101888, 108256, 127360, 130560, 135320, 152832, 162384, 191040, 202980, 216512, 254720, 270640, 305664, 324768, 382080, 405960, 433024, 509440, 541280, 649536, 764160, 811920, 866048, 1082560, 1299072, 1528320, 1623840, 1732096, 2165120, 2598144, 3247680, 4330240, 5196288, 6495360, 8660480, 12990720, 25981440]

約数ペア:

[(1, 25981440), (2, 12990720), (3, 8660480), (4, 6495360), (5, 5196288), (6, 4330240), (8, 3247680), (10, 2598144), (12, 2165120), (15, 1732096), (16, 1623840), (17, 1528320), (20, 1299072), (24, 1082560), (30, 866048), (32, 811920), (34, 764160), (40, 649536), (48, 541280), (51, 509440), (60, 433024), (64, 405960), (68, 382080), (80, 324768), (85, 305664), (96, 270640), (102, 254720), (120, 216512), (128, 202980), (136, 191040), (160, 162384), (170, 152832), (192, 135320), (199, 130560), (204, 127360), (240, 108256), (255, 101888), (256, 101490), (272, 95520), (320, 81192), (340, 76416), (384, 67660), (398, 65280), (408, 63680), (480, 54128), (510, 50944), (512, 50745), (544, 47760), (597, 43520), (640, 40596), (680, 38208), (768, 33830), (796, 32640), (816, 31840), (960, 27064), (995, 26112), (1020, 25472), (1088, 23880), (1194, 21760), (1280, 20298), (1360, 19104), (1536, 16915), (1592, 16320), (1632, 15920), (1920, 13532), (1990, 13056), (2040, 12736), (2176, 11940), (2388, 10880), (2560, 10149), (2720, 9552), (2985, 8704), (3184, 8160), (3264, 7960), (3383, 7680), (3840, 6766), (3980, 6528), (4080, 6368), (4352, 5970), (4776, 5440)]