78211560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5477}}^1$

素因数の和:5515

約数の個数: 128

約数和(自身を含む): 283979520

約数和(自身を除く): 205767960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 5477, 7140, 10954, 14280, 16431, 21908, 27385, 32862, 38339, 43816, 54770, 65724, 76678, 82155, 93109, 109540, 115017, 131448, 153356, 164310, 186218, 191695, 219080, 230034, 279327, 306712, 328620, 372436, 383390, 460068, 465545, 558654, 575085, 651763, 657240, 744872, 766780, 920136, 931090, 1117308, 1150170, 1303526, 1396635, 1533560, 1862180, 1955289, 2234616, 2300340, 2607052, 2793270, 3258815, 3724360, 3910578, 4600680, 5214104, 5586540, 6517630, 7821156, 9776445, 11173080, 13035260, 15642312, 19552890, 26070520, 39105780, 78211560]

約数ペア:

[(1, 78211560), (2, 39105780), (3, 26070520), (4, 19552890), (5, 15642312), (6, 13035260), (7, 11173080), (8, 9776445), (10, 7821156), (12, 6517630), (14, 5586540), (15, 5214104), (17, 4600680), (20, 3910578), (21, 3724360), (24, 3258815), (28, 2793270), (30, 2607052), (34, 2300340), (35, 2234616), (40, 1955289), (42, 1862180), (51, 1533560), (56, 1396635), (60, 1303526), (68, 1150170), (70, 1117308), (84, 931090), (85, 920136), (102, 766780), (105, 744872), (119, 657240), (120, 651763), (136, 575085), (140, 558654), (168, 465545), (170, 460068), (204, 383390), (210, 372436), (238, 328620), (255, 306712), (280, 279327), (340, 230034), (357, 219080), (408, 191695), (420, 186218), (476, 164310), (510, 153356), (595, 131448), (680, 115017), (714, 109540), (840, 93109), (952, 82155), (1020, 76678), (1190, 65724), (1428, 54770), (1785, 43816), (2040, 38339), (2380, 32862), (2856, 27385), (3570, 21908), (4760, 16431), (5477, 14280), (7140, 10954)]