168531720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:975

約数の個数: 128

約数和(自身を含む): 580573440

約数和(自身を除く): 412041720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 313, 420, 626, 641, 840, 939, 1252, 1282, 1565, 1878, 1923, 2191, 2504, 2564, 3130, 3205, 3756, 3846, 4382, 4487, 4695, 5128, 6260, 6410, 6573, 7512, 7692, 8764, 8974, 9390, 9615, 10955, 12520, 12820, 13146, 13461, 15384, 17528, 17948, 18780, 19230, 21910, 22435, 25640, 26292, 26922, 32865, 35896, 37560, 38460, 43820, 44870, 52584, 53844, 65730, 67305, 76920, 87640, 89740, 107688, 131460, 134610, 179480, 200633, 262920, 269220, 401266, 538440, 601899, 802532, 1003165, 1203798, 1404431, 1605064, 2006330, 2407596, 2808862, 3009495, 4012660, 4213293, 4815192, 5617724, 6018990, 7022155, 8025320, 8426586, 11235448, 12037980, 14044310, 16853172, 21066465, 24075960, 28088620, 33706344, 42132930, 56177240, 84265860, 168531720]

約数ペア:

[(1, 168531720), (2, 84265860), (3, 56177240), (4, 42132930), (5, 33706344), (6, 28088620), (7, 24075960), (8, 21066465), (10, 16853172), (12, 14044310), (14, 12037980), (15, 11235448), (20, 8426586), (21, 8025320), (24, 7022155), (28, 6018990), (30, 5617724), (35, 4815192), (40, 4213293), (42, 4012660), (56, 3009495), (60, 2808862), (70, 2407596), (84, 2006330), (105, 1605064), (120, 1404431), (140, 1203798), (168, 1003165), (210, 802532), (280, 601899), (313, 538440), (420, 401266), (626, 269220), (641, 262920), (840, 200633), (939, 179480), (1252, 134610), (1282, 131460), (1565, 107688), (1878, 89740), (1923, 87640), (2191, 76920), (2504, 67305), (2564, 65730), (3130, 53844), (3205, 52584), (3756, 44870), (3846, 43820), (4382, 38460), (4487, 37560), (4695, 35896), (5128, 32865), (6260, 26922), (6410, 26292), (6573, 25640), (7512, 22435), (7692, 21910), (8764, 19230), (8974, 18780), (9390, 17948), (9615, 17528), (10955, 15384), (12520, 13461), (12820, 13146)]