221156820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 690161472

約数和(自身を除く): 469004652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 113, 131, 166, 180, 226, 249, 262, 332, 339, 393, 415, 452, 498, 524, 565, 655, 678, 747, 786, 830, 996, 1017, 1130, 1179, 1245, 1310, 1356, 1494, 1572, 1660, 1695, 1965, 2034, 2260, 2358, 2490, 2620, 2988, 3390, 3735, 3930, 4068, 4716, 4980, 5085, 5895, 6780, 7470, 7860, 9379, 10170, 10873, 11790, 14803, 14940, 18758, 20340, 21746, 23580, 28137, 29606, 32619, 37516, 43492, 44409, 46895, 54365, 56274, 59212, 65238, 74015, 84411, 88818, 93790, 97857, 108730, 112548, 130476, 133227, 140685, 148030, 163095, 168822, 177636, 187580, 195714, 217460, 222045, 266454, 281370, 296060, 326190, 337644, 391428, 422055, 444090, 489285, 532908, 562740, 652380, 666135, 844110, 888180, 978570, 1228649, 1332270, 1688220, 1957140, 2457298, 2664540, 3685947, 4914596, 6143245, 7371894, 11057841, 12286490, 14743788, 18429735, 22115682, 24572980, 36859470, 44231364, 55289205, 73718940, 110578410, 221156820]

約数ペア:

[(1, 221156820), (2, 110578410), (3, 73718940), (4, 55289205), (5, 44231364), (6, 36859470), (9, 24572980), (10, 22115682), (12, 18429735), (15, 14743788), (18, 12286490), (20, 11057841), (30, 7371894), (36, 6143245), (45, 4914596), (60, 3685947), (83, 2664540), (90, 2457298), (113, 1957140), (131, 1688220), (166, 1332270), (180, 1228649), (226, 978570), (249, 888180), (262, 844110), (332, 666135), (339, 652380), (393, 562740), (415, 532908), (452, 489285), (498, 444090), (524, 422055), (565, 391428), (655, 337644), (678, 326190), (747, 296060), (786, 281370), (830, 266454), (996, 222045), (1017, 217460), (1130, 195714), (1179, 187580), (1245, 177636), (1310, 168822), (1356, 163095), (1494, 148030), (1572, 140685), (1660, 133227), (1695, 130476), (1965, 112548), (2034, 108730), (2260, 97857), (2358, 93790), (2490, 88818), (2620, 84411), (2988, 74015), (3390, 65238), (3735, 59212), (3930, 56274), (4068, 54365), (4716, 46895), (4980, 44409), (5085, 43492), (5895, 37516), (6780, 32619), (7470, 29606), (7860, 28137), (9379, 23580), (10170, 21746), (10873, 20340), (11790, 18758), (14803, 14940)]