311948640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12743}}^1$

素因数の和:12781

約数の個数: 144

約数和(自身を含む): 1127232288

約数和(自身を除く): 815283648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 6120, 8160, 12240, 12743, 24480, 25486, 38229, 50972, 63715, 76458, 101944, 114687, 127430, 152916, 191145, 203888, 216631, 229374, 254860, 305832, 382290, 407776, 433262, 458748, 509720, 573435, 611664, 649893, 764580, 866524, 917496, 1019440, 1083155, 1146870, 1223328, 1299786, 1529160, 1733048, 1834992, 1949679, 2038880, 2166310, 2293740, 2599572, 3058320, 3249465, 3466096, 3669984, 3899358, 4332620, 4587480, 5199144, 6116640, 6498930, 6932192, 7798716, 8665240, 9174960, 9748395, 10398288, 12997860, 15597432, 17330480, 18349920, 19496790, 20796576, 25995720, 31194864, 34660960, 38993580, 51991440, 62389728, 77987160, 103982880, 155974320, 311948640]

約数ペア:

[(1, 311948640), (2, 155974320), (3, 103982880), (4, 77987160), (5, 62389728), (6, 51991440), (8, 38993580), (9, 34660960), (10, 31194864), (12, 25995720), (15, 20796576), (16, 19496790), (17, 18349920), (18, 17330480), (20, 15597432), (24, 12997860), (30, 10398288), (32, 9748395), (34, 9174960), (36, 8665240), (40, 7798716), (45, 6932192), (48, 6498930), (51, 6116640), (60, 5199144), (68, 4587480), (72, 4332620), (80, 3899358), (85, 3669984), (90, 3466096), (96, 3249465), (102, 3058320), (120, 2599572), (136, 2293740), (144, 2166310), (153, 2038880), (160, 1949679), (170, 1834992), (180, 1733048), (204, 1529160), (240, 1299786), (255, 1223328), (272, 1146870), (288, 1083155), (306, 1019440), (340, 917496), (360, 866524), (408, 764580), (480, 649893), (510, 611664), (544, 573435), (612, 509720), (680, 458748), (720, 433262), (765, 407776), (816, 382290), (1020, 305832), (1224, 254860), (1360, 229374), (1440, 216631), (1530, 203888), (1632, 191145), (2040, 152916), (2448, 127430), (2720, 114687), (3060, 101944), (4080, 76458), (4896, 63715), (6120, 50972), (8160, 38229), (12240, 25486), (12743, 24480)]