31260240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3947}}^1$

素因数の和:3977

約数の個数: 120

約数和(自身を含む): 114555168

約数和(自身を除く): 83294928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3947, 3960, 7894, 7920, 11841, 15788, 19735, 23682, 31576, 35523, 39470, 43417, 47364, 59205, 63152, 71046, 78940, 86834, 94728, 118410, 130251, 142092, 157880, 173668, 177615, 189456, 217085, 236820, 260502, 284184, 315760, 347336, 355230, 390753, 434170, 473640, 521004, 568368, 651255, 694672, 710460, 781506, 868340, 947280, 1042008, 1302510, 1420920, 1563012, 1736680, 1953765, 2084016, 2605020, 2841840, 3126024, 3473360, 3907530, 5210040, 6252048, 7815060, 10420080, 15630120, 31260240]

約数ペア:

[(1, 31260240), (2, 15630120), (3, 10420080), (4, 7815060), (5, 6252048), (6, 5210040), (8, 3907530), (9, 3473360), (10, 3126024), (11, 2841840), (12, 2605020), (15, 2084016), (16, 1953765), (18, 1736680), (20, 1563012), (22, 1420920), (24, 1302510), (30, 1042008), (33, 947280), (36, 868340), (40, 781506), (44, 710460), (45, 694672), (48, 651255), (55, 568368), (60, 521004), (66, 473640), (72, 434170), (80, 390753), (88, 355230), (90, 347336), (99, 315760), (110, 284184), (120, 260502), (132, 236820), (144, 217085), (165, 189456), (176, 177615), (180, 173668), (198, 157880), (220, 142092), (240, 130251), (264, 118410), (330, 94728), (360, 86834), (396, 78940), (440, 71046), (495, 63152), (528, 59205), (660, 47364), (720, 43417), (792, 39470), (880, 35523), (990, 31576), (1320, 23682), (1584, 19735), (1980, 15788), (2640, 11841), (3947, 7920), (3960, 7894)]