78343020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:760

約数の個数: 144

約数和(自身を含む): 274817088

約数和(自身を除く): 196474068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 641, 679, 873, 970, 1164, 1260, 1282, 1358, 1455, 1746, 1923, 1940, 2037, 2564, 2716, 2910, 3205, 3395, 3492, 3846, 4074, 4365, 4487, 5769, 5820, 6111, 6410, 6790, 7692, 8148, 8730, 8974, 9615, 10185, 11538, 12222, 12820, 13461, 13580, 17460, 17948, 19230, 20370, 22435, 23076, 24444, 26922, 28845, 30555, 38460, 40383, 40740, 44870, 53844, 57690, 61110, 62177, 67305, 80766, 89740, 115380, 122220, 124354, 134610, 161532, 186531, 201915, 248708, 269220, 310885, 373062, 403830, 435239, 559593, 621770, 746124, 807660, 870478, 932655, 1119186, 1243540, 1305717, 1740956, 1865310, 2176195, 2238372, 2611434, 2797965, 3730620, 3917151, 4352390, 5222868, 5595930, 6528585, 7834302, 8704780, 11191860, 13057170, 15668604, 19585755, 26114340, 39171510, 78343020]

約数ペア:

[(1, 78343020), (2, 39171510), (3, 26114340), (4, 19585755), (5, 15668604), (6, 13057170), (7, 11191860), (9, 8704780), (10, 7834302), (12, 6528585), (14, 5595930), (15, 5222868), (18, 4352390), (20, 3917151), (21, 3730620), (28, 2797965), (30, 2611434), (35, 2238372), (36, 2176195), (42, 1865310), (45, 1740956), (60, 1305717), (63, 1243540), (70, 1119186), (84, 932655), (90, 870478), (97, 807660), (105, 746124), (126, 621770), (140, 559593), (180, 435239), (194, 403830), (210, 373062), (252, 310885), (291, 269220), (315, 248708), (388, 201915), (420, 186531), (485, 161532), (582, 134610), (630, 124354), (641, 122220), (679, 115380), (873, 89740), (970, 80766), (1164, 67305), (1260, 62177), (1282, 61110), (1358, 57690), (1455, 53844), (1746, 44870), (1923, 40740), (1940, 40383), (2037, 38460), (2564, 30555), (2716, 28845), (2910, 26922), (3205, 24444), (3395, 23076), (3492, 22435), (3846, 20370), (4074, 19230), (4365, 17948), (4487, 17460), (5769, 13580), (5820, 13461), (6111, 12820), (6410, 12222), (6790, 11538), (7692, 10185), (8148, 9615), (8730, 8974)]