1226181720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{839}}^1$

素因数の和:1513

約数の個数: 128

約数和(自身を含む): 3882816000

約数和(自身を除く): 2656634280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 641, 760, 839, 1140, 1282, 1678, 1923, 2280, 2517, 2564, 3205, 3356, 3846, 4195, 5034, 5128, 6410, 6712, 7692, 8390, 9615, 10068, 12179, 12585, 12820, 15384, 15941, 16780, 19230, 20136, 24358, 25170, 25640, 31882, 33560, 36537, 38460, 47823, 48716, 50340, 60895, 63764, 73074, 76920, 79705, 95646, 97432, 100680, 121790, 127528, 146148, 159410, 182685, 191292, 239115, 243580, 292296, 318820, 365370, 382584, 478230, 487160, 537799, 637640, 730740, 956460, 1075598, 1461480, 1613397, 1912920, 2151196, 2688995, 3226794, 4302392, 5377990, 6453588, 8066985, 10218181, 10755980, 12907176, 16133970, 20436362, 21511960, 30654543, 32267940, 40872724, 51090905, 61309086, 64535880, 81745448, 102181810, 122618172, 153272715, 204363620, 245236344, 306545430, 408727240, 613090860, 1226181720]

約数ペア:

[(1, 1226181720), (2, 613090860), (3, 408727240), (4, 306545430), (5, 245236344), (6, 204363620), (8, 153272715), (10, 122618172), (12, 102181810), (15, 81745448), (19, 64535880), (20, 61309086), (24, 51090905), (30, 40872724), (38, 32267940), (40, 30654543), (57, 21511960), (60, 20436362), (76, 16133970), (95, 12907176), (114, 10755980), (120, 10218181), (152, 8066985), (190, 6453588), (228, 5377990), (285, 4302392), (380, 3226794), (456, 2688995), (570, 2151196), (641, 1912920), (760, 1613397), (839, 1461480), (1140, 1075598), (1282, 956460), (1678, 730740), (1923, 637640), (2280, 537799), (2517, 487160), (2564, 478230), (3205, 382584), (3356, 365370), (3846, 318820), (4195, 292296), (5034, 243580), (5128, 239115), (6410, 191292), (6712, 182685), (7692, 159410), (8390, 146148), (9615, 127528), (10068, 121790), (12179, 100680), (12585, 97432), (12820, 95646), (15384, 79705), (15941, 76920), (16780, 73074), (19230, 63764), (20136, 60895), (24358, 50340), (25170, 48716), (25640, 47823), (31882, 38460), (33560, 36537)]