204399720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1469

約数の個数: 256

約数和(自身を含む): 820224000

約数和(自身を除く): 615824280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1423, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 2846, 3192, 3420, 3591, 3780, 3990, 4104, 4269, 4788, 5130, 5320, 5692, 5985, 6840, 7115, 7182, 7560, 7980, 8538, 9576, 9961, 10260, 11384, 11970, 12807, 14230, 14364, 15960, 17076, 17955, 19922, 20520, 21345, 23940, 25614, 27037, 28460, 28728, 29883, 34152, 35910, 38421, 39844, 42690, 47880, 49805, 51228, 54074, 56920, 59766, 64035, 71820, 76842, 79688, 81111, 85380, 89649, 99610, 102456, 108148, 119532, 128070, 135185, 143640, 149415, 153684, 162222, 170760, 179298, 189259, 192105, 199220, 216296, 239064, 243333, 256140, 268947, 270370, 298830, 307368, 324444, 358596, 378518, 384210, 398440, 405555, 448245, 486666, 512280, 537894, 540740, 567777, 597660, 648888, 717192, 729999, 757036, 768420, 811110, 896490, 946295, 973332, 1075788, 1081480, 1135554, 1195320, 1216665, 1344735, 1459998, 1514072, 1536840, 1622220, 1703331, 1792980, 1892590, 1946664, 2151576, 2271108, 2433330, 2689470, 2838885, 2919996, 3244440, 3406662, 3585960, 3649995, 3785180, 4542216, 4866660, 5109993, 5378940, 5677770, 5839992, 6813324, 7299990, 7570360, 8516655, 9733320, 10219986, 10757880, 11355540, 13626648, 14599980, 17033310, 20439972, 22711080, 25549965, 29199960, 34066620, 40879944, 51099930, 68133240, 102199860, 204399720]

約数ペア:

[(1, 204399720), (2, 102199860), (3, 68133240), (4, 51099930), (5, 40879944), (6, 34066620), (7, 29199960), (8, 25549965), (9, 22711080), (10, 20439972), (12, 17033310), (14, 14599980), (15, 13626648), (18, 11355540), (19, 10757880), (20, 10219986), (21, 9733320), (24, 8516655), (27, 7570360), (28, 7299990), (30, 6813324), (35, 5839992), (36, 5677770), (38, 5378940), (40, 5109993), (42, 4866660), (45, 4542216), (54, 3785180), (56, 3649995), (57, 3585960), (60, 3406662), (63, 3244440), (70, 2919996), (72, 2838885), (76, 2689470), (84, 2433330), (90, 2271108), (95, 2151576), (105, 1946664), (108, 1892590), (114, 1792980), (120, 1703331), (126, 1622220), (133, 1536840), (135, 1514072), (140, 1459998), (152, 1344735), (168, 1216665), (171, 1195320), (180, 1135554), (189, 1081480), (190, 1075788), (210, 973332), (216, 946295), (228, 896490), (252, 811110), (266, 768420), (270, 757036), (280, 729999), (285, 717192), (315, 648888), (342, 597660), (360, 567777), (378, 540740), (380, 537894), (399, 512280), (420, 486666), (456, 448245), (504, 405555), (513, 398440), (532, 384210), (540, 378518), (570, 358596), (630, 324444), (665, 307368), (684, 298830), (756, 270370), (760, 268947), (798, 256140), (840, 243333), (855, 239064), (945, 216296), (1026, 199220), (1064, 192105), (1080, 189259), (1140, 179298), (1197, 170760), (1260, 162222), (1330, 153684), (1368, 149415), (1423, 143640), (1512, 135185), (1596, 128070), (1710, 119532), (1890, 108148), (1995, 102456), (2052, 99610), (2280, 89649), (2394, 85380), (2520, 81111), (2565, 79688), (2660, 76842), (2846, 71820), (3192, 64035), (3420, 59766), (3591, 56920), (3780, 54074), (3990, 51228), (4104, 49805), (4269, 47880), (4788, 42690), (5130, 39844), (5320, 38421), (5692, 35910), (5985, 34152), (6840, 29883), (7115, 28728), (7182, 28460), (7560, 27037), (7980, 25614), (8538, 23940), (9576, 21345), (9961, 20520), (10260, 19922), (11384, 17955), (11970, 17076), (12807, 15960), (14230, 14364)]