156323840

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 104

約数和(自身を含む): 398082600

約数和(自身を除く): 241758760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 449, 512, 544, 640, 680, 898, 1024, 1088, 1280, 1360, 1796, 2048, 2176, 2245, 2560, 2720, 3592, 4096, 4352, 4490, 5120, 5440, 7184, 7633, 8704, 8980, 10240, 10880, 14368, 15266, 17408, 17960, 20480, 21760, 28736, 30532, 34816, 35920, 38165, 43520, 57472, 61064, 69632, 71840, 76330, 87040, 114944, 122128, 143680, 152660, 174080, 229888, 244256, 287360, 305320, 348160, 459776, 488512, 574720, 610640, 919552, 977024, 1149440, 1221280, 1839104, 1954048, 2298880, 2442560, 3908096, 4597760, 4885120, 7816192, 9195520, 9770240, 15632384, 19540480, 31264768, 39080960, 78161920, 156323840]

約数ペア:

[(1, 156323840), (2, 78161920), (4, 39080960), (5, 31264768), (8, 19540480), (10, 15632384), (16, 9770240), (17, 9195520), (20, 7816192), (32, 4885120), (34, 4597760), (40, 3908096), (64, 2442560), (68, 2298880), (80, 1954048), (85, 1839104), (128, 1221280), (136, 1149440), (160, 977024), (170, 919552), (256, 610640), (272, 574720), (320, 488512), (340, 459776), (449, 348160), (512, 305320), (544, 287360), (640, 244256), (680, 229888), (898, 174080), (1024, 152660), (1088, 143680), (1280, 122128), (1360, 114944), (1796, 87040), (2048, 76330), (2176, 71840), (2245, 69632), (2560, 61064), (2720, 57472), (3592, 43520), (4096, 38165), (4352, 35920), (4490, 34816), (5120, 30532), (5440, 28736), (7184, 21760), (7633, 20480), (8704, 17960), (8980, 17408), (10240, 15266), (10880, 14368)]