123305940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 389188800

約数和(自身を除く): 265882860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 89, 90, 129, 172, 178, 179, 180, 215, 258, 267, 356, 358, 387, 430, 445, 516, 534, 537, 645, 716, 774, 801, 860, 890, 895, 1068, 1074, 1290, 1335, 1548, 1602, 1611, 1780, 1790, 1935, 2148, 2580, 2670, 2685, 3204, 3222, 3580, 3827, 3870, 4005, 5340, 5370, 6444, 7654, 7697, 7740, 8010, 8055, 10740, 11481, 15308, 15394, 15931, 16020, 16110, 19135, 22962, 23091, 30788, 31862, 32220, 34443, 38270, 38485, 45924, 46182, 47793, 57405, 63724, 68886, 69273, 76540, 76970, 79655, 92364, 95586, 114810, 115455, 137772, 138546, 143379, 153940, 159310, 172215, 191172, 229620, 230910, 238965, 277092, 286758, 318620, 344430, 346365, 461820, 477930, 573516, 685033, 688860, 692730, 716895, 955860, 1370066, 1385460, 1433790, 2055099, 2740132, 2867580, 3425165, 4110198, 6165297, 6850330, 8220396, 10275495, 12330594, 13700660, 20550990, 24661188, 30826485, 41101980, 61652970, 123305940]

約数ペア:

[(1, 123305940), (2, 61652970), (3, 41101980), (4, 30826485), (5, 24661188), (6, 20550990), (9, 13700660), (10, 12330594), (12, 10275495), (15, 8220396), (18, 6850330), (20, 6165297), (30, 4110198), (36, 3425165), (43, 2867580), (45, 2740132), (60, 2055099), (86, 1433790), (89, 1385460), (90, 1370066), (129, 955860), (172, 716895), (178, 692730), (179, 688860), (180, 685033), (215, 573516), (258, 477930), (267, 461820), (356, 346365), (358, 344430), (387, 318620), (430, 286758), (445, 277092), (516, 238965), (534, 230910), (537, 229620), (645, 191172), (716, 172215), (774, 159310), (801, 153940), (860, 143379), (890, 138546), (895, 137772), (1068, 115455), (1074, 114810), (1290, 95586), (1335, 92364), (1548, 79655), (1602, 76970), (1611, 76540), (1780, 69273), (1790, 68886), (1935, 63724), (2148, 57405), (2580, 47793), (2670, 46182), (2685, 45924), (3204, 38485), (3222, 38270), (3580, 34443), (3827, 32220), (3870, 31862), (4005, 30788), (5340, 23091), (5370, 22962), (6444, 19135), (7654, 16110), (7697, 16020), (7740, 15931), (8010, 15394), (8055, 15308), (10740, 11481)]