1920519780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1398

約数の個数: 192

約数和(自身を含む): 5966231040

約数和(自身を除く): 4045711260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 37, 46, 58, 60, 69, 74, 87, 92, 111, 115, 116, 138, 145, 148, 174, 185, 222, 230, 276, 290, 345, 348, 370, 435, 444, 460, 555, 580, 667, 690, 740, 851, 870, 1073, 1110, 1297, 1334, 1380, 1702, 1740, 2001, 2146, 2220, 2553, 2594, 2668, 3219, 3335, 3404, 3891, 4002, 4255, 4292, 5106, 5188, 5365, 6438, 6485, 6670, 7782, 8004, 8510, 10005, 10212, 10730, 12765, 12876, 12970, 13340, 15564, 16095, 17020, 19455, 20010, 21460, 24679, 25530, 25940, 29831, 32190, 37613, 38910, 40020, 47989, 49358, 51060, 59662, 64380, 74037, 75226, 77820, 89493, 95978, 98716, 112839, 119324, 123395, 143967, 148074, 149155, 150452, 178986, 188065, 191956, 225678, 239945, 246790, 287934, 296148, 298310, 357972, 370185, 376130, 447465, 451356, 479890, 493580, 564195, 575868, 596620, 719835, 740370, 752260, 865099, 894930, 959780, 1103747, 1128390, 1391681, 1439670, 1480740, 1730198, 1789860, 2207494, 2256780, 2595297, 2783362, 2879340, 3311241, 3460396, 4175043, 4325495, 4414988, 5190594, 5518735, 5566724, 6622482, 6958405, 8350086, 8650990, 10381188, 11037470, 12976485, 13244964, 13916810, 16556205, 16700172, 17301980, 20875215, 22074940, 25952970, 27833620, 32008663, 33112410, 41750430, 51905940, 64017326, 66224820, 83500860, 96025989, 128034652, 160043315, 192051978, 320086630, 384103956, 480129945, 640173260, 960259890, 1920519780]

約数ペア:

[(1, 1920519780), (2, 960259890), (3, 640173260), (4, 480129945), (5, 384103956), (6, 320086630), (10, 192051978), (12, 160043315), (15, 128034652), (20, 96025989), (23, 83500860), (29, 66224820), (30, 64017326), (37, 51905940), (46, 41750430), (58, 33112410), (60, 32008663), (69, 27833620), (74, 25952970), (87, 22074940), (92, 20875215), (111, 17301980), (115, 16700172), (116, 16556205), (138, 13916810), (145, 13244964), (148, 12976485), (174, 11037470), (185, 10381188), (222, 8650990), (230, 8350086), (276, 6958405), (290, 6622482), (345, 5566724), (348, 5518735), (370, 5190594), (435, 4414988), (444, 4325495), (460, 4175043), (555, 3460396), (580, 3311241), (667, 2879340), (690, 2783362), (740, 2595297), (851, 2256780), (870, 2207494), (1073, 1789860), (1110, 1730198), (1297, 1480740), (1334, 1439670), (1380, 1391681), (1702, 1128390), (1740, 1103747), (2001, 959780), (2146, 894930), (2220, 865099), (2553, 752260), (2594, 740370), (2668, 719835), (3219, 596620), (3335, 575868), (3404, 564195), (3891, 493580), (4002, 479890), (4255, 451356), (4292, 447465), (5106, 376130), (5188, 370185), (5365, 357972), (6438, 298310), (6485, 296148), (6670, 287934), (7782, 246790), (8004, 239945), (8510, 225678), (10005, 191956), (10212, 188065), (10730, 178986), (12765, 150452), (12876, 149155), (12970, 148074), (13340, 143967), (15564, 123395), (16095, 119324), (17020, 112839), (19455, 98716), (20010, 95978), (21460, 89493), (24679, 77820), (25530, 75226), (25940, 74037), (29831, 64380), (32190, 59662), (37613, 51060), (38910, 49358), (40020, 47989)]