28895787480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{3557}}^1$

素因数の和:4106

約数の個数: 256

約数和(自身を含む): 104519808000

約数和(自身を除く): 75624020520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 509, 532, 570, 665, 760, 798, 840, 1018, 1064, 1140, 1330, 1527, 1596, 1995, 2036, 2280, 2545, 2660, 3054, 3192, 3557, 3563, 3990, 4072, 5090, 5320, 6108, 7114, 7126, 7635, 7980, 9671, 10180, 10671, 10689, 12216, 14228, 14252, 15270, 15960, 17785, 17815, 19342, 20360, 21342, 21378, 24899, 28456, 28504, 29013, 30540, 35570, 35630, 38684, 42684, 42756, 48355, 49798, 53355, 53445, 58026, 61080, 67583, 67697, 71140, 71260, 74697, 77368, 85368, 85512, 96710, 99596, 106710, 106890, 116052, 124495, 135166, 135394, 142280, 142520, 145065, 149394, 193420, 199192, 202749, 203091, 213420, 213780, 232104, 248990, 270332, 270788, 290130, 298788, 337915, 338485, 373485, 386840, 405498, 406182, 426840, 427560, 473081, 497980, 540664, 541576, 580260, 597576, 675830, 676970, 746970, 810996, 812364, 946162, 995960, 1013745, 1015455, 1160520, 1351660, 1353940, 1419243, 1493940, 1621992, 1624728, 1810513, 1892324, 2027490, 2030910, 2365405, 2703320, 2707880, 2838486, 2987880, 3621026, 3784648, 4054980, 4061820, 4730810, 5431539, 5676972, 7096215, 7242052, 8109960, 8123640, 9052565, 9461620, 10863078, 11353944, 12673591, 14192430, 14484104, 18105130, 18923240, 21726156, 25347182, 27157695, 28384860, 34399747, 36210260, 38020773, 43452312, 50694364, 54315390, 56769720, 63367955, 68799494, 72420520, 76041546, 101388728, 103199241, 108630780, 126735910, 137598988, 152083092, 171998735, 190103865, 206398482, 217261560, 240798229, 253471820, 275197976, 304166184, 343997470, 380207730, 412796964, 481596458, 506943640, 515996205, 687994940, 722394687, 760415460, 825593928, 963192916, 1031992410, 1203991145, 1375989880, 1444789374, 1520830920, 1926385832, 2063984820, 2407982290, 2889578748, 3611973435, 4127969640, 4815964580, 5779157496, 7223946870, 9631929160, 14447893740, 28895787480]

約数ペア:

[(1, 28895787480), (2, 14447893740), (3, 9631929160), (4, 7223946870), (5, 5779157496), (6, 4815964580), (7, 4127969640), (8, 3611973435), (10, 2889578748), (12, 2407982290), (14, 2063984820), (15, 1926385832), (19, 1520830920), (20, 1444789374), (21, 1375989880), (24, 1203991145), (28, 1031992410), (30, 963192916), (35, 825593928), (38, 760415460), (40, 722394687), (42, 687994940), (56, 515996205), (57, 506943640), (60, 481596458), (70, 412796964), (76, 380207730), (84, 343997470), (95, 304166184), (105, 275197976), (114, 253471820), (120, 240798229), (133, 217261560), (140, 206398482), (152, 190103865), (168, 171998735), (190, 152083092), (210, 137598988), (228, 126735910), (266, 108630780), (280, 103199241), (285, 101388728), (380, 76041546), (399, 72420520), (420, 68799494), (456, 63367955), (509, 56769720), (532, 54315390), (570, 50694364), (665, 43452312), (760, 38020773), (798, 36210260), (840, 34399747), (1018, 28384860), (1064, 27157695), (1140, 25347182), (1330, 21726156), (1527, 18923240), (1596, 18105130), (1995, 14484104), (2036, 14192430), (2280, 12673591), (2545, 11353944), (2660, 10863078), (3054, 9461620), (3192, 9052565), (3557, 8123640), (3563, 8109960), (3990, 7242052), (4072, 7096215), (5090, 5676972), (5320, 5431539), (6108, 4730810), (7114, 4061820), (7126, 4054980), (7635, 3784648), (7980, 3621026), (9671, 2987880), (10180, 2838486), (10671, 2707880), (10689, 2703320), (12216, 2365405), (14228, 2030910), (14252, 2027490), (15270, 1892324), (15960, 1810513), (17785, 1624728), (17815, 1621992), (19342, 1493940), (20360, 1419243), (21342, 1353940), (21378, 1351660), (24899, 1160520), (28456, 1015455), (28504, 1013745), (29013, 995960), (30540, 946162), (35570, 812364), (35630, 810996), (38684, 746970), (42684, 676970), (42756, 675830), (48355, 597576), (49798, 580260), (53355, 541576), (53445, 540664), (58026, 497980), (61080, 473081), (67583, 427560), (67697, 426840), (71140, 406182), (71260, 405498), (74697, 386840), (77368, 373485), (85368, 338485), (85512, 337915), (96710, 298788), (99596, 290130), (106710, 270788), (106890, 270332), (116052, 248990), (124495, 232104), (135166, 213780), (135394, 213420), (142280, 203091), (142520, 202749), (145065, 199192), (149394, 193420)]