20129992080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{206081}}^1$

素因数の和:206145

約数の個数: 160

約数和(自身を含む): 69916203648

約数和(自身を除く): 49786211568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 110, 111, 120, 132, 148, 165, 176, 185, 220, 222, 240, 264, 296, 330, 370, 407, 440, 444, 528, 555, 592, 660, 740, 814, 880, 888, 1110, 1221, 1320, 1480, 1628, 1776, 2035, 2220, 2442, 2640, 2960, 3256, 4070, 4440, 4884, 6105, 6512, 8140, 8880, 9768, 12210, 16280, 19536, 24420, 32560, 48840, 97680, 206081, 412162, 618243, 824324, 1030405, 1236486, 1648648, 2060810, 2266891, 2472972, 3091215, 3297296, 4121620, 4533782, 4945944, 6182430, 6800673, 7624997, 8243240, 9067564, 9891888, 11334455, 12364860, 13601346, 15249994, 16486480, 18135128, 22668910, 22874991, 24729720, 27202692, 30499988, 34003365, 36270256, 38124985, 45337820, 45749982, 49459440, 54405384, 60999976, 68006730, 76249970, 83874967, 90675640, 91499964, 108810768, 114374955, 121999952, 136013460, 152499940, 167749934, 181351280, 182999928, 228749910, 251624901, 272026920, 304999880, 335499868, 365999856, 419374835, 457499820, 503249802, 544053840, 609999760, 670999736, 838749670, 914999640, 1006499604, 1258124505, 1341999472, 1677499340, 1829999280, 2012999208, 2516249010, 3354998680, 4025998416, 5032498020, 6709997360, 10064996040, 20129992080]

約数ペア:

[(1, 20129992080), (2, 10064996040), (3, 6709997360), (4, 5032498020), (5, 4025998416), (6, 3354998680), (8, 2516249010), (10, 2012999208), (11, 1829999280), (12, 1677499340), (15, 1341999472), (16, 1258124505), (20, 1006499604), (22, 914999640), (24, 838749670), (30, 670999736), (33, 609999760), (37, 544053840), (40, 503249802), (44, 457499820), (48, 419374835), (55, 365999856), (60, 335499868), (66, 304999880), (74, 272026920), (80, 251624901), (88, 228749910), (110, 182999928), (111, 181351280), (120, 167749934), (132, 152499940), (148, 136013460), (165, 121999952), (176, 114374955), (185, 108810768), (220, 91499964), (222, 90675640), (240, 83874967), (264, 76249970), (296, 68006730), (330, 60999976), (370, 54405384), (407, 49459440), (440, 45749982), (444, 45337820), (528, 38124985), (555, 36270256), (592, 34003365), (660, 30499988), (740, 27202692), (814, 24729720), (880, 22874991), (888, 22668910), (1110, 18135128), (1221, 16486480), (1320, 15249994), (1480, 13601346), (1628, 12364860), (1776, 11334455), (2035, 9891888), (2220, 9067564), (2442, 8243240), (2640, 7624997), (2960, 6800673), (3256, 6182430), (4070, 4945944), (4440, 4533782), (4884, 4121620), (6105, 3297296), (6512, 3091215), (8140, 2472972), (8880, 2266891), (9768, 2060810), (12210, 1648648), (16280, 1236486), (19536, 1030405), (24420, 824324), (32560, 618243), (48840, 412162), (97680, 206081)]