28048020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:510

約数の個数: 192

約数和(自身を含む): 105670656

約数和(自身を除く): 77622636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 130, 132, 140, 143, 154, 156, 165, 182, 195, 210, 220, 231, 260, 273, 286, 308, 330, 364, 385, 390, 420, 429, 455, 462, 467, 546, 572, 660, 715, 770, 780, 858, 910, 924, 934, 1001, 1092, 1155, 1365, 1401, 1430, 1540, 1716, 1820, 1868, 2002, 2145, 2310, 2335, 2730, 2802, 2860, 3003, 3269, 4004, 4290, 4620, 4670, 5005, 5137, 5460, 5604, 6006, 6071, 6538, 7005, 8580, 9340, 9807, 10010, 10274, 12012, 12142, 13076, 14010, 15015, 15411, 16345, 18213, 19614, 20020, 20548, 24284, 25685, 28020, 30030, 30355, 30822, 32690, 35959, 36426, 39228, 42497, 49035, 51370, 60060, 60710, 61644, 65380, 66781, 71918, 72852, 77055, 84994, 91065, 98070, 102740, 107877, 121420, 127491, 133562, 143836, 154110, 169988, 179795, 182130, 196140, 200343, 212485, 215754, 254982, 267124, 308220, 333905, 359590, 364260, 400686, 424970, 431508, 467467, 509964, 539385, 637455, 667810, 719180, 801372, 849940, 934934, 1001715, 1078770, 1274910, 1335620, 1402401, 1869868, 2003430, 2157540, 2337335, 2549820, 2804802, 4006860, 4674670, 5609604, 7012005, 9349340, 14024010, 28048020]

約数ペア:

[(1, 28048020), (2, 14024010), (3, 9349340), (4, 7012005), (5, 5609604), (6, 4674670), (7, 4006860), (10, 2804802), (11, 2549820), (12, 2337335), (13, 2157540), (14, 2003430), (15, 1869868), (20, 1402401), (21, 1335620), (22, 1274910), (26, 1078770), (28, 1001715), (30, 934934), (33, 849940), (35, 801372), (39, 719180), (42, 667810), (44, 637455), (52, 539385), (55, 509964), (60, 467467), (65, 431508), (66, 424970), (70, 400686), (77, 364260), (78, 359590), (84, 333905), (91, 308220), (105, 267124), (110, 254982), (130, 215754), (132, 212485), (140, 200343), (143, 196140), (154, 182130), (156, 179795), (165, 169988), (182, 154110), (195, 143836), (210, 133562), (220, 127491), (231, 121420), (260, 107877), (273, 102740), (286, 98070), (308, 91065), (330, 84994), (364, 77055), (385, 72852), (390, 71918), (420, 66781), (429, 65380), (455, 61644), (462, 60710), (467, 60060), (546, 51370), (572, 49035), (660, 42497), (715, 39228), (770, 36426), (780, 35959), (858, 32690), (910, 30822), (924, 30355), (934, 30030), (1001, 28020), (1092, 25685), (1155, 24284), (1365, 20548), (1401, 20020), (1430, 19614), (1540, 18213), (1716, 16345), (1820, 15411), (1868, 15015), (2002, 14010), (2145, 13076), (2310, 12142), (2335, 12012), (2730, 10274), (2802, 10010), (2860, 9807), (3003, 9340), (3269, 8580), (4004, 7005), (4290, 6538), (4620, 6071), (4670, 6006), (5005, 5604), (5137, 5460)]