668857140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{14347}}^1$

素因数の和:14406

約数の個数: 144

約数和(自身を含む): 2381538432

約数和(自身を除く): 1712681292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3885, 4662, 5180, 6660, 7770, 9324, 11655, 14347, 15540, 23310, 28694, 43041, 46620, 57388, 71735, 86082, 100429, 129123, 143470, 172164, 200858, 215205, 258246, 286940, 301287, 401716, 430410, 502145, 516492, 530839, 602574, 645615, 860820, 903861, 1004290, 1061678, 1205148, 1291230, 1506435, 1592517, 1807722, 2008580, 2123356, 2582460, 2654195, 3012870, 3185034, 3615444, 3715873, 4519305, 4777551, 5308390, 6025740, 6370068, 7431746, 7962585, 9038610, 9555102, 10616780, 11147619, 14863492, 15925170, 18077220, 18579365, 19110204, 22295238, 23887755, 31850340, 33442857, 37158730, 44590476, 47775510, 55738095, 66885714, 74317460, 95551020, 111476190, 133771428, 167214285, 222952380, 334428570, 668857140]

約数ペア:

[(1, 668857140), (2, 334428570), (3, 222952380), (4, 167214285), (5, 133771428), (6, 111476190), (7, 95551020), (9, 74317460), (10, 66885714), (12, 55738095), (14, 47775510), (15, 44590476), (18, 37158730), (20, 33442857), (21, 31850340), (28, 23887755), (30, 22295238), (35, 19110204), (36, 18579365), (37, 18077220), (42, 15925170), (45, 14863492), (60, 11147619), (63, 10616780), (70, 9555102), (74, 9038610), (84, 7962585), (90, 7431746), (105, 6370068), (111, 6025740), (126, 5308390), (140, 4777551), (148, 4519305), (180, 3715873), (185, 3615444), (210, 3185034), (222, 3012870), (252, 2654195), (259, 2582460), (315, 2123356), (333, 2008580), (370, 1807722), (420, 1592517), (444, 1506435), (518, 1291230), (555, 1205148), (630, 1061678), (666, 1004290), (740, 903861), (777, 860820), (1036, 645615), (1110, 602574), (1260, 530839), (1295, 516492), (1332, 502145), (1554, 430410), (1665, 401716), (2220, 301287), (2331, 286940), (2590, 258246), (3108, 215205), (3330, 200858), (3885, 172164), (4662, 143470), (5180, 129123), (6660, 100429), (7770, 86082), (9324, 71735), (11655, 57388), (14347, 46620), (15540, 43041), (23310, 28694)]