31040460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 104805792

約数和(自身を除く): 73765332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 257, 305, 330, 366, 396, 495, 514, 549, 610, 660, 671, 732, 771, 915, 990, 1028, 1098, 1220, 1285, 1342, 1542, 1830, 1980, 2013, 2196, 2313, 2570, 2684, 2745, 2827, 3084, 3355, 3660, 3855, 4026, 4626, 5140, 5490, 5654, 6039, 6710, 7710, 8052, 8481, 9252, 10065, 10980, 11308, 11565, 12078, 13420, 14135, 15420, 15677, 16962, 20130, 23130, 24156, 25443, 28270, 30195, 31354, 33924, 40260, 42405, 46260, 47031, 50886, 56540, 60390, 62708, 78385, 84810, 94062, 101772, 120780, 127215, 141093, 156770, 169620, 172447, 188124, 235155, 254430, 282186, 313540, 344894, 470310, 508860, 517341, 564372, 689788, 705465, 862235, 940620, 1034682, 1410930, 1552023, 1724470, 2069364, 2586705, 2821860, 3104046, 3448940, 5173410, 6208092, 7760115, 10346820, 15520230, 31040460]

約数ペア:

[(1, 31040460), (2, 15520230), (3, 10346820), (4, 7760115), (5, 6208092), (6, 5173410), (9, 3448940), (10, 3104046), (11, 2821860), (12, 2586705), (15, 2069364), (18, 1724470), (20, 1552023), (22, 1410930), (30, 1034682), (33, 940620), (36, 862235), (44, 705465), (45, 689788), (55, 564372), (60, 517341), (61, 508860), (66, 470310), (90, 344894), (99, 313540), (110, 282186), (122, 254430), (132, 235155), (165, 188124), (180, 172447), (183, 169620), (198, 156770), (220, 141093), (244, 127215), (257, 120780), (305, 101772), (330, 94062), (366, 84810), (396, 78385), (495, 62708), (514, 60390), (549, 56540), (610, 50886), (660, 47031), (671, 46260), (732, 42405), (771, 40260), (915, 33924), (990, 31354), (1028, 30195), (1098, 28270), (1220, 25443), (1285, 24156), (1342, 23130), (1542, 20130), (1830, 16962), (1980, 15677), (2013, 15420), (2196, 14135), (2313, 13420), (2570, 12078), (2684, 11565), (2745, 11308), (2827, 10980), (3084, 10065), (3355, 9252), (3660, 8481), (3855, 8052), (4026, 7710), (4626, 6710), (5140, 6039), (5490, 5654)]