1388338320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1901}}^1$

素因数の和:2113

約数の個数: 160

約数和(自身を含む): 4584885120

約数和(自身を除く): 3196546800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 179, 204, 240, 255, 272, 340, 358, 408, 510, 537, 680, 716, 816, 895, 1020, 1074, 1360, 1432, 1790, 1901, 2040, 2148, 2685, 2864, 3043, 3580, 3802, 4080, 4296, 5370, 5703, 6086, 7160, 7604, 8592, 9129, 9505, 10740, 11406, 12172, 14320, 15208, 15215, 18258, 19010, 21480, 22812, 24344, 28515, 30416, 30430, 32317, 36516, 38020, 42960, 45624, 45645, 48688, 57030, 60860, 64634, 73032, 76040, 91248, 91290, 96951, 114060, 121720, 129268, 146064, 152080, 161585, 182580, 193902, 228120, 243440, 258536, 323170, 340279, 365160, 387804, 456240, 484755, 517072, 646340, 680558, 730320, 775608, 969510, 1020837, 1292680, 1361116, 1551216, 1701395, 1939020, 2041674, 2585360, 2722232, 3402790, 3878040, 4083348, 5104185, 5444464, 5784743, 6805580, 7756080, 8166696, 10208370, 11569486, 13611160, 16333392, 17354229, 20416740, 23138972, 27222320, 28923715, 34708458, 40833480, 46277944, 57847430, 69416916, 81666960, 86771145, 92555888, 115694860, 138833832, 173542290, 231389720, 277667664, 347084580, 462779440, 694169160, 1388338320]

約数ペア:

[(1, 1388338320), (2, 694169160), (3, 462779440), (4, 347084580), (5, 277667664), (6, 231389720), (8, 173542290), (10, 138833832), (12, 115694860), (15, 92555888), (16, 86771145), (17, 81666960), (20, 69416916), (24, 57847430), (30, 46277944), (34, 40833480), (40, 34708458), (48, 28923715), (51, 27222320), (60, 23138972), (68, 20416740), (80, 17354229), (85, 16333392), (102, 13611160), (120, 11569486), (136, 10208370), (170, 8166696), (179, 7756080), (204, 6805580), (240, 5784743), (255, 5444464), (272, 5104185), (340, 4083348), (358, 3878040), (408, 3402790), (510, 2722232), (537, 2585360), (680, 2041674), (716, 1939020), (816, 1701395), (895, 1551216), (1020, 1361116), (1074, 1292680), (1360, 1020837), (1432, 969510), (1790, 775608), (1901, 730320), (2040, 680558), (2148, 646340), (2685, 517072), (2864, 484755), (3043, 456240), (3580, 387804), (3802, 365160), (4080, 340279), (4296, 323170), (5370, 258536), (5703, 243440), (6086, 228120), (7160, 193902), (7604, 182580), (8592, 161585), (9129, 152080), (9505, 146064), (10740, 129268), (11406, 121720), (12172, 114060), (14320, 96951), (15208, 91290), (15215, 91248), (18258, 76040), (19010, 73032), (21480, 64634), (22812, 60860), (24344, 57030), (28515, 48688), (30416, 45645), (30430, 45624), (32317, 42960), (36516, 38020)]