187939980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 615014400

約数和(自身を除く): 427074420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 103, 108, 109, 124, 135, 155, 180, 186, 206, 218, 270, 279, 309, 310, 327, 372, 412, 436, 465, 515, 540, 545, 558, 618, 620, 654, 837, 927, 930, 981, 1030, 1090, 1116, 1236, 1308, 1395, 1545, 1635, 1674, 1854, 1860, 1962, 2060, 2180, 2781, 2790, 2943, 3090, 3193, 3270, 3348, 3379, 3708, 3924, 4185, 4635, 4905, 5562, 5580, 5886, 6180, 6386, 6540, 6758, 8370, 9270, 9579, 9810, 10137, 11124, 11227, 11772, 12772, 13516, 13905, 14715, 15965, 16740, 16895, 18540, 19158, 19620, 20274, 22454, 27810, 28737, 29430, 30411, 31930, 33681, 33790, 38316, 40548, 44908, 47895, 50685, 55620, 56135, 57474, 58860, 60822, 63860, 67362, 67580, 86211, 91233, 95790, 101043, 101370, 112270, 114948, 121644, 134724, 143685, 152055, 168405, 172422, 182466, 191580, 202086, 202740, 224540, 287370, 303129, 304110, 336810, 344844, 348037, 364932, 404172, 431055, 456165, 505215, 574740, 606258, 608220, 673620, 696074, 862110, 912330, 1010430, 1044111, 1212516, 1392148, 1515645, 1724220, 1740185, 1824660, 2020860, 2088222, 3031290, 3132333, 3480370, 4176444, 5220555, 6062580, 6264666, 6960740, 9396999, 10441110, 12529332, 15661665, 18793998, 20882220, 31323330, 37587996, 46984995, 62646660, 93969990, 187939980]

約数ペア:

[(1, 187939980), (2, 93969990), (3, 62646660), (4, 46984995), (5, 37587996), (6, 31323330), (9, 20882220), (10, 18793998), (12, 15661665), (15, 12529332), (18, 10441110), (20, 9396999), (27, 6960740), (30, 6264666), (31, 6062580), (36, 5220555), (45, 4176444), (54, 3480370), (60, 3132333), (62, 3031290), (90, 2088222), (93, 2020860), (103, 1824660), (108, 1740185), (109, 1724220), (124, 1515645), (135, 1392148), (155, 1212516), (180, 1044111), (186, 1010430), (206, 912330), (218, 862110), (270, 696074), (279, 673620), (309, 608220), (310, 606258), (327, 574740), (372, 505215), (412, 456165), (436, 431055), (465, 404172), (515, 364932), (540, 348037), (545, 344844), (558, 336810), (618, 304110), (620, 303129), (654, 287370), (837, 224540), (927, 202740), (930, 202086), (981, 191580), (1030, 182466), (1090, 172422), (1116, 168405), (1236, 152055), (1308, 143685), (1395, 134724), (1545, 121644), (1635, 114948), (1674, 112270), (1854, 101370), (1860, 101043), (1962, 95790), (2060, 91233), (2180, 86211), (2781, 67580), (2790, 67362), (2943, 63860), (3090, 60822), (3193, 58860), (3270, 57474), (3348, 56135), (3379, 55620), (3708, 50685), (3924, 47895), (4185, 44908), (4635, 40548), (4905, 38316), (5562, 33790), (5580, 33681), (5886, 31930), (6180, 30411), (6386, 29430), (6540, 28737), (6758, 27810), (8370, 22454), (9270, 20274), (9579, 19620), (9810, 19158), (10137, 18540), (11124, 16895), (11227, 16740), (11772, 15965), (12772, 14715), (13516, 13905)]