31185840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1019

約数の個数: 160

約数和(自身を含む): 116421120

約数和(自身を除く): 85235280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 977, 1064, 1140, 1330, 1520, 1596, 1680, 1954, 1995, 2128, 2280, 2660, 2931, 3192, 3908, 3990, 4560, 4885, 5320, 5862, 6384, 6839, 7816, 7980, 9770, 10640, 11724, 13678, 14655, 15632, 15960, 18563, 19540, 20517, 23448, 27356, 29310, 31920, 34195, 37126, 39080, 41034, 46896, 54712, 55689, 58620, 68390, 74252, 78160, 82068, 92815, 102585, 109424, 111378, 117240, 129941, 136780, 148504, 164136, 185630, 205170, 222756, 234480, 259882, 273560, 278445, 297008, 328272, 371260, 389823, 410340, 445512, 519764, 547120, 556890, 649705, 742520, 779646, 820680, 891024, 1039528, 1113780, 1299410, 1485040, 1559292, 1641360, 1949115, 2079056, 2227560, 2598820, 3118584, 3898230, 4455120, 5197640, 6237168, 7796460, 10395280, 15592920, 31185840]

約数ペア:

[(1, 31185840), (2, 15592920), (3, 10395280), (4, 7796460), (5, 6237168), (6, 5197640), (7, 4455120), (8, 3898230), (10, 3118584), (12, 2598820), (14, 2227560), (15, 2079056), (16, 1949115), (19, 1641360), (20, 1559292), (21, 1485040), (24, 1299410), (28, 1113780), (30, 1039528), (35, 891024), (38, 820680), (40, 779646), (42, 742520), (48, 649705), (56, 556890), (57, 547120), (60, 519764), (70, 445512), (76, 410340), (80, 389823), (84, 371260), (95, 328272), (105, 297008), (112, 278445), (114, 273560), (120, 259882), (133, 234480), (140, 222756), (152, 205170), (168, 185630), (190, 164136), (210, 148504), (228, 136780), (240, 129941), (266, 117240), (280, 111378), (285, 109424), (304, 102585), (336, 92815), (380, 82068), (399, 78160), (420, 74252), (456, 68390), (532, 58620), (560, 55689), (570, 54712), (665, 46896), (760, 41034), (798, 39080), (840, 37126), (912, 34195), (977, 31920), (1064, 29310), (1140, 27356), (1330, 23448), (1520, 20517), (1596, 19540), (1680, 18563), (1954, 15960), (1995, 15632), (2128, 14655), (2280, 13678), (2660, 11724), (2931, 10640), (3192, 9770), (3908, 7980), (3990, 7816), (4560, 6839), (4885, 6384), (5320, 5862)]