40326780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 126542304

約数和(自身を除く): 86215524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 97, 123, 130, 156, 164, 169, 194, 195, 205, 246, 260, 291, 338, 388, 390, 410, 485, 492, 507, 533, 582, 615, 676, 780, 820, 845, 970, 1014, 1066, 1164, 1230, 1261, 1455, 1599, 1690, 1940, 2028, 2132, 2460, 2522, 2535, 2665, 2910, 3198, 3380, 3783, 3977, 5044, 5070, 5330, 5820, 6305, 6396, 6929, 7566, 7954, 7995, 10140, 10660, 11931, 12610, 13858, 15132, 15908, 15990, 16393, 18915, 19885, 20787, 23862, 25220, 27716, 31980, 32786, 34645, 37830, 39770, 41574, 47724, 49179, 51701, 59655, 65572, 69290, 75660, 79540, 81965, 83148, 98358, 103402, 103935, 119310, 138580, 155103, 163930, 196716, 206804, 207870, 238620, 245895, 258505, 310206, 327860, 415740, 491790, 517010, 620412, 672113, 775515, 983580, 1034020, 1344226, 1551030, 2016339, 2688452, 3102060, 3360565, 4032678, 6721130, 8065356, 10081695, 13442260, 20163390, 40326780]

約数ペア:

[(1, 40326780), (2, 20163390), (3, 13442260), (4, 10081695), (5, 8065356), (6, 6721130), (10, 4032678), (12, 3360565), (13, 3102060), (15, 2688452), (20, 2016339), (26, 1551030), (30, 1344226), (39, 1034020), (41, 983580), (52, 775515), (60, 672113), (65, 620412), (78, 517010), (82, 491790), (97, 415740), (123, 327860), (130, 310206), (156, 258505), (164, 245895), (169, 238620), (194, 207870), (195, 206804), (205, 196716), (246, 163930), (260, 155103), (291, 138580), (338, 119310), (388, 103935), (390, 103402), (410, 98358), (485, 83148), (492, 81965), (507, 79540), (533, 75660), (582, 69290), (615, 65572), (676, 59655), (780, 51701), (820, 49179), (845, 47724), (970, 41574), (1014, 39770), (1066, 37830), (1164, 34645), (1230, 32786), (1261, 31980), (1455, 27716), (1599, 25220), (1690, 23862), (1940, 20787), (2028, 19885), (2132, 18915), (2460, 16393), (2522, 15990), (2535, 15908), (2665, 15132), (2910, 13858), (3198, 12610), (3380, 11931), (3783, 10660), (3977, 10140), (5044, 7995), (5070, 7954), (5330, 7566), (5820, 6929), (6305, 6396)]