20002221120

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{156659}}^1$

素因数の和:156705

約数の個数: 224

約数和(自身を含む): 76399948800

約数和(自身を除く): 56397727680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 399, 420, 448, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 960, 1064, 1120, 1140, 1216, 1330, 1344, 1520, 1596, 1680, 1824, 1995, 2128, 2240, 2280, 2660, 3040, 3192, 3360, 3648, 3990, 4256, 4560, 5320, 6080, 6384, 6720, 7980, 8512, 9120, 10640, 12768, 15960, 18240, 21280, 25536, 31920, 42560, 63840, 127680, 156659, 313318, 469977, 626636, 783295, 939954, 1096613, 1253272, 1566590, 1879908, 2193226, 2349885, 2506544, 2976521, 3133180, 3289839, 3759816, 4386452, 4699770, 5013088, 5483065, 5953042, 6266360, 6579678, 7519632, 8772904, 8929563, 9399540, 10026176, 10966130, 11906084, 12532720, 13159356, 14882605, 15039264, 16449195, 17545808, 17859126, 18799080, 20835647, 21932260, 23812168, 25065440, 26318712, 29765210, 30078528, 32898390, 35091616, 35718252, 37598160, 41671294, 43864520, 44647815, 47624336, 50130880, 52637424, 59530420, 62506941, 65796780, 70183232, 71436504, 75196320, 83342588, 87729040, 89295630, 95248672, 104178235, 105274848, 119060840, 125013882, 131593560, 142873008, 150392640, 166685176, 175458080, 178591260, 190497344, 208356470, 210549696, 238121680, 250027764, 263187120, 285746016, 312534705, 333370352, 350916160, 357182520, 416712940, 476243360, 500055528, 526374240, 571492032, 625069410, 666740704, 714365040, 833425880, 952486720, 1000111056, 1052748480, 1250138820, 1333481408, 1428730080, 1666851760, 2000222112, 2500277640, 2857460160, 3333703520, 4000444224, 5000555280, 6667407040, 10001110560, 20002221120]

約数ペア:

[(1, 20002221120), (2, 10001110560), (3, 6667407040), (4, 5000555280), (5, 4000444224), (6, 3333703520), (7, 2857460160), (8, 2500277640), (10, 2000222112), (12, 1666851760), (14, 1428730080), (15, 1333481408), (16, 1250138820), (19, 1052748480), (20, 1000111056), (21, 952486720), (24, 833425880), (28, 714365040), (30, 666740704), (32, 625069410), (35, 571492032), (38, 526374240), (40, 500055528), (42, 476243360), (48, 416712940), (56, 357182520), (57, 350916160), (60, 333370352), (64, 312534705), (70, 285746016), (76, 263187120), (80, 250027764), (84, 238121680), (95, 210549696), (96, 208356470), (105, 190497344), (112, 178591260), (114, 175458080), (120, 166685176), (133, 150392640), (140, 142873008), (152, 131593560), (160, 125013882), (168, 119060840), (190, 105274848), (192, 104178235), (210, 95248672), (224, 89295630), (228, 87729040), (240, 83342588), (266, 75196320), (280, 71436504), (285, 70183232), (304, 65796780), (320, 62506941), (336, 59530420), (380, 52637424), (399, 50130880), (420, 47624336), (448, 44647815), (456, 43864520), (480, 41671294), (532, 37598160), (560, 35718252), (570, 35091616), (608, 32898390), (665, 30078528), (672, 29765210), (760, 26318712), (798, 25065440), (840, 23812168), (912, 21932260), (960, 20835647), (1064, 18799080), (1120, 17859126), (1140, 17545808), (1216, 16449195), (1330, 15039264), (1344, 14882605), (1520, 13159356), (1596, 12532720), (1680, 11906084), (1824, 10966130), (1995, 10026176), (2128, 9399540), (2240, 8929563), (2280, 8772904), (2660, 7519632), (3040, 6579678), (3192, 6266360), (3360, 5953042), (3648, 5483065), (3990, 5013088), (4256, 4699770), (4560, 4386452), (5320, 3759816), (6080, 3289839), (6384, 3133180), (6720, 2976521), (7980, 2506544), (8512, 2349885), (9120, 2193226), (10640, 1879908), (12768, 1566590), (15960, 1253272), (18240, 1096613), (21280, 939954), (25536, 783295), (31920, 626636), (42560, 469977), (63840, 313318), (127680, 156659)]