420649740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5857}}^1$

素因数の和:5901

約数の個数: 192

約数和(自身を含む): 1574630400

約数和(自身を除く): 1153980660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3591, 3780, 3990, 4788, 5130, 5857, 5985, 7182, 7980, 10260, 11714, 11970, 14364, 17571, 17955, 23428, 23940, 29285, 35142, 35910, 40999, 52713, 58570, 70284, 71820, 81998, 87855, 105426, 111283, 117140, 122997, 158139, 163996, 175710, 204995, 210852, 222566, 245994, 263565, 316278, 333849, 351420, 368991, 409990, 445132, 491988, 527130, 556415, 614985, 632556, 667698, 737982, 778981, 790695, 819980, 1001547, 1054260, 1106973, 1112830, 1229970, 1335396, 1475964, 1557962, 1581390, 1669245, 1844955, 2003094, 2213946, 2225660, 2336943, 2459940, 3004641, 3115924, 3162780, 3338490, 3689910, 3894905, 4006188, 4427892, 4673886, 5007735, 5534865, 6009282, 6676980, 7010829, 7379820, 7789810, 9347772, 10015470, 11069730, 11684715, 12018564, 14021658, 15023205, 15579620, 20030940, 21032487, 22139460, 23369430, 28043316, 30046410, 35054145, 42064974, 46738860, 60092820, 70108290, 84129948, 105162435, 140216580, 210324870, 420649740]

約数ペア:

[(1, 420649740), (2, 210324870), (3, 140216580), (4, 105162435), (5, 84129948), (6, 70108290), (7, 60092820), (9, 46738860), (10, 42064974), (12, 35054145), (14, 30046410), (15, 28043316), (18, 23369430), (19, 22139460), (20, 21032487), (21, 20030940), (27, 15579620), (28, 15023205), (30, 14021658), (35, 12018564), (36, 11684715), (38, 11069730), (42, 10015470), (45, 9347772), (54, 7789810), (57, 7379820), (60, 7010829), (63, 6676980), (70, 6009282), (76, 5534865), (84, 5007735), (90, 4673886), (95, 4427892), (105, 4006188), (108, 3894905), (114, 3689910), (126, 3338490), (133, 3162780), (135, 3115924), (140, 3004641), (171, 2459940), (180, 2336943), (189, 2225660), (190, 2213946), (210, 2003094), (228, 1844955), (252, 1669245), (266, 1581390), (270, 1557962), (285, 1475964), (315, 1335396), (342, 1229970), (378, 1112830), (380, 1106973), (399, 1054260), (420, 1001547), (513, 819980), (532, 790695), (540, 778981), (570, 737982), (630, 667698), (665, 632556), (684, 614985), (756, 556415), (798, 527130), (855, 491988), (945, 445132), (1026, 409990), (1140, 368991), (1197, 351420), (1260, 333849), (1330, 316278), (1596, 263565), (1710, 245994), (1890, 222566), (1995, 210852), (2052, 204995), (2394, 175710), (2565, 163996), (2660, 158139), (3420, 122997), (3591, 117140), (3780, 111283), (3990, 105426), (4788, 87855), (5130, 81998), (5857, 71820), (5985, 70284), (7182, 58570), (7980, 52713), (10260, 40999), (11714, 35910), (11970, 35142), (14364, 29285), (17571, 23940), (17955, 23428)]