218300880

素因数分解:

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

素因数の和:1026

約数の個数: 240

約数和(自身を含む): 829500480

約数和(自身を除く): 611199600

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, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 735, 760, 784, 798, 840, 912, 931, 977, 980, 1064, 1140, 1176, 1330, 1470, 1520, 1596, 1680, 1862, 1954, 1960, 1995, 2128, 2280, 2352, 2660, 2793, 2931, 2940, 3192, 3724, 3908, 3920, 3990, 4560, 4655, 4885, 5320, 5586, 5862, 5880, 6384, 6839, 7448, 7816, 7980, 9310, 9770, 10640, 11172, 11724, 11760, 13678, 13965, 14655, 14896, 15632, 15960, 18563, 18620, 19540, 20517, 22344, 23448, 27356, 27930, 29310, 31920, 34195, 37126, 37240, 39080, 41034, 44688, 46896, 47873, 54712, 55689, 55860, 58620, 68390, 74252, 74480, 78160, 82068, 92815, 95746, 102585, 109424, 111378, 111720, 117240, 129941, 136780, 143619, 148504, 164136, 185630, 191492, 205170, 222756, 223440, 234480, 239365, 259882, 273560, 278445, 287238, 297008, 328272, 371260, 382984, 389823, 410340, 445512, 478730, 519764, 547120, 556890, 574476, 649705, 718095, 742520, 765968, 779646, 820680, 891024, 909587, 957460, 1039528, 1113780, 1148952, 1299410, 1436190, 1485040, 1559292, 1641360, 1819174, 1914920, 1949115, 2079056, 2227560, 2297904, 2598820, 2728761, 2872380, 3118584, 3638348, 3829840, 3898230, 4455120, 4547935, 5197640, 5457522, 5744760, 6237168, 7276696, 7796460, 9095870, 10395280, 10915044, 11489520, 13643805, 14553392, 15592920, 18191740, 21830088, 27287610, 31185840, 36383480, 43660176, 54575220, 72766960, 109150440, 218300880]

約数ペア:

[(1, 218300880), (2, 109150440), (3, 72766960), (4, 54575220), (5, 43660176), (6, 36383480), (7, 31185840), (8, 27287610), (10, 21830088), (12, 18191740), (14, 15592920), (15, 14553392), (16, 13643805), (19, 11489520), (20, 10915044), (21, 10395280), (24, 9095870), (28, 7796460), (30, 7276696), (35, 6237168), (38, 5744760), (40, 5457522), (42, 5197640), (48, 4547935), (49, 4455120), (56, 3898230), (57, 3829840), (60, 3638348), (70, 3118584), (76, 2872380), (80, 2728761), (84, 2598820), (95, 2297904), (98, 2227560), (105, 2079056), (112, 1949115), (114, 1914920), (120, 1819174), (133, 1641360), (140, 1559292), (147, 1485040), (152, 1436190), (168, 1299410), (190, 1148952), (196, 1113780), (210, 1039528), (228, 957460), (240, 909587), (245, 891024), (266, 820680), (280, 779646), (285, 765968), (294, 742520), (304, 718095), (336, 649705), (380, 574476), (392, 556890), (399, 547120), (420, 519764), (456, 478730), (490, 445512), (532, 410340), (560, 389823), (570, 382984), (588, 371260), (665, 328272), (735, 297008), (760, 287238), (784, 278445), (798, 273560), (840, 259882), (912, 239365), (931, 234480), (977, 223440), (980, 222756), (1064, 205170), (1140, 191492), (1176, 185630), (1330, 164136), (1470, 148504), (1520, 143619), (1596, 136780), (1680, 129941), (1862, 117240), (1954, 111720), (1960, 111378), (1995, 109424), (2128, 102585), (2280, 95746), (2352, 92815), (2660, 82068), (2793, 78160), (2931, 74480), (2940, 74252), (3192, 68390), (3724, 58620), (3908, 55860), (3920, 55689), (3990, 54712), (4560, 47873), (4655, 46896), (4885, 44688), (5320, 41034), (5586, 39080), (5862, 37240), (5880, 37126), (6384, 34195), (6839, 31920), (7448, 29310), (7816, 27930), (7980, 27356), (9310, 23448), (9770, 22344), (10640, 20517), (11172, 19540), (11724, 18620), (11760, 18563), (13678, 15960), (13965, 15632), (14655, 14896)]