42426160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 117046080

約数和(自身を除く): 74619920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 137, 140, 158, 196, 245, 274, 280, 316, 392, 395, 490, 548, 553, 560, 632, 685, 784, 790, 959, 980, 1096, 1106, 1264, 1370, 1580, 1918, 1960, 2192, 2212, 2740, 2765, 3160, 3836, 3871, 3920, 4424, 4795, 5480, 5530, 6320, 6713, 7672, 7742, 8848, 9590, 10823, 10960, 11060, 13426, 15344, 15484, 19180, 19355, 21646, 22120, 26852, 30968, 33565, 38360, 38710, 43292, 44240, 53704, 54115, 61936, 67130, 75761, 76720, 77420, 86584, 107408, 108230, 134260, 151522, 154840, 173168, 216460, 268520, 303044, 309680, 378805, 432920, 530327, 537040, 606088, 757610, 865840, 1060654, 1212176, 1515220, 2121308, 2651635, 3030440, 4242616, 5303270, 6060880, 8485232, 10606540, 21213080, 42426160]

約数ペア:

[(1, 42426160), (2, 21213080), (4, 10606540), (5, 8485232), (7, 6060880), (8, 5303270), (10, 4242616), (14, 3030440), (16, 2651635), (20, 2121308), (28, 1515220), (35, 1212176), (40, 1060654), (49, 865840), (56, 757610), (70, 606088), (79, 537040), (80, 530327), (98, 432920), (112, 378805), (137, 309680), (140, 303044), (158, 268520), (196, 216460), (245, 173168), (274, 154840), (280, 151522), (316, 134260), (392, 108230), (395, 107408), (490, 86584), (548, 77420), (553, 76720), (560, 75761), (632, 67130), (685, 61936), (784, 54115), (790, 53704), (959, 44240), (980, 43292), (1096, 38710), (1106, 38360), (1264, 33565), (1370, 30968), (1580, 26852), (1918, 22120), (1960, 21646), (2192, 19355), (2212, 19180), (2740, 15484), (2765, 15344), (3160, 13426), (3836, 11060), (3871, 10960), (3920, 10823), (4424, 9590), (4795, 8848), (5480, 7742), (5530, 7672), (6320, 6713)]