81064142040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{219829}}^1$

素因数の和:220289

約数の個数: 128

約数和(自身を含む): 278568576000

約数和(自身を除く): 197504433960

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, 420, 439, 840, 878, 1317, 1756, 2195, 2634, 3073, 3512, 4390, 5268, 6146, 6585, 8780, 9219, 10536, 12292, 13170, 15365, 17560, 18438, 24584, 26340, 30730, 36876, 46095, 52680, 61460, 73752, 92190, 122920, 184380, 219829, 368760, 439658, 659487, 879316, 1099145, 1318974, 1538803, 1758632, 2198290, 2637948, 3077606, 3297435, 4396580, 4616409, 5275896, 6155212, 6594870, 7694015, 8793160, 9232818, 12310424, 13189740, 15388030, 18465636, 23082045, 26379480, 30776060, 36931272, 46164090, 61552120, 92328180, 96504931, 184656360, 193009862, 289514793, 386019724, 482524655, 579029586, 675534517, 772039448, 965049310, 1158059172, 1351069034, 1447573965, 1930098620, 2026603551, 2316118344, 2702138068, 2895147930, 3377672585, 3860197240, 4053207102, 5404276136, 5790295860, 6755345170, 8106414204, 10133017755, 11580591720, 13510690340, 16212828408, 20266035510, 27021380680, 40532071020, 81064142040]

約数ペア:

[(1, 81064142040), (2, 40532071020), (3, 27021380680), (4, 20266035510), (5, 16212828408), (6, 13510690340), (7, 11580591720), (8, 10133017755), (10, 8106414204), (12, 6755345170), (14, 5790295860), (15, 5404276136), (20, 4053207102), (21, 3860197240), (24, 3377672585), (28, 2895147930), (30, 2702138068), (35, 2316118344), (40, 2026603551), (42, 1930098620), (56, 1447573965), (60, 1351069034), (70, 1158059172), (84, 965049310), (105, 772039448), (120, 675534517), (140, 579029586), (168, 482524655), (210, 386019724), (280, 289514793), (420, 193009862), (439, 184656360), (840, 96504931), (878, 92328180), (1317, 61552120), (1756, 46164090), (2195, 36931272), (2634, 30776060), (3073, 26379480), (3512, 23082045), (4390, 18465636), (5268, 15388030), (6146, 13189740), (6585, 12310424), (8780, 9232818), (9219, 8793160), (10536, 7694015), (12292, 6594870), (13170, 6155212), (15365, 5275896), (17560, 4616409), (18438, 4396580), (24584, 3297435), (26340, 3077606), (30730, 2637948), (36876, 2198290), (46095, 1758632), (52680, 1538803), (61460, 1318974), (73752, 1099145), (92190, 879316), (122920, 659487), (184380, 439658), (219829, 368760)]