642545280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8581}}^1$

素因数の和:8619

約数の個数: 192

約数和(自身を含む): 2389743720

約数和(自身を除く): 1747198440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1872, 1920, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 4992, 5760, 6240, 7488, 8320, 8581, 9360, 12480, 14976, 17162, 18720, 24960, 25743, 34324, 37440, 42905, 51486, 68648, 74880, 77229, 85810, 102972, 111553, 128715, 137296, 154458, 171620, 205944, 223106, 257430, 274592, 308916, 334659, 343240, 386145, 411888, 446212, 514860, 549184, 557765, 617832, 669318, 686480, 772290, 823776, 892424, 1003977, 1029720, 1098368, 1115530, 1235664, 1338636, 1372960, 1544580, 1647552, 1673295, 1784848, 2007954, 2059440, 2231060, 2471328, 2677272, 2745920, 3089160, 3295104, 3346590, 3569696, 4015908, 4118880, 4462120, 4942656, 5019885, 5354544, 5491840, 6178320, 6693180, 7139392, 8031816, 8237760, 8924240, 9885312, 10039770, 10709088, 12356640, 13386360, 14278784, 16063632, 16475520, 17848480, 20079540, 21418176, 24713280, 26772720, 32127264, 35696960, 40159080, 42836352, 49426560, 53545440, 64254528, 71393920, 80318160, 107090880, 128509056, 160636320, 214181760, 321272640, 642545280]

約数ペア:

[(1, 642545280), (2, 321272640), (3, 214181760), (4, 160636320), (5, 128509056), (6, 107090880), (8, 80318160), (9, 71393920), (10, 64254528), (12, 53545440), (13, 49426560), (15, 42836352), (16, 40159080), (18, 35696960), (20, 32127264), (24, 26772720), (26, 24713280), (30, 21418176), (32, 20079540), (36, 17848480), (39, 16475520), (40, 16063632), (45, 14278784), (48, 13386360), (52, 12356640), (60, 10709088), (64, 10039770), (65, 9885312), (72, 8924240), (78, 8237760), (80, 8031816), (90, 7139392), (96, 6693180), (104, 6178320), (117, 5491840), (120, 5354544), (128, 5019885), (130, 4942656), (144, 4462120), (156, 4118880), (160, 4015908), (180, 3569696), (192, 3346590), (195, 3295104), (208, 3089160), (234, 2745920), (240, 2677272), (260, 2471328), (288, 2231060), (312, 2059440), (320, 2007954), (360, 1784848), (384, 1673295), (390, 1647552), (416, 1544580), (468, 1372960), (480, 1338636), (520, 1235664), (576, 1115530), (585, 1098368), (624, 1029720), (640, 1003977), (720, 892424), (780, 823776), (832, 772290), (936, 686480), (960, 669318), (1040, 617832), (1152, 557765), (1170, 549184), (1248, 514860), (1440, 446212), (1560, 411888), (1664, 386145), (1872, 343240), (1920, 334659), (2080, 308916), (2340, 274592), (2496, 257430), (2880, 223106), (3120, 205944), (3744, 171620), (4160, 154458), (4680, 137296), (4992, 128715), (5760, 111553), (6240, 102972), (7488, 85810), (8320, 77229), (8581, 74880), (9360, 68648), (12480, 51486), (14976, 42905), (17162, 37440), (18720, 34324), (24960, 25743)]