1919807820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2377}}^1$

素因数の和:3040

約数の個数: 144

約数和(自身を含む): 6668520768

約数和(自身を除く): 4748712948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 641, 1260, 1282, 1923, 2377, 2564, 3205, 3846, 4487, 4754, 5769, 6410, 7131, 7692, 8974, 9508, 9615, 11538, 11885, 12820, 13461, 14262, 16639, 17948, 19230, 21393, 22435, 23076, 23770, 26922, 28524, 28845, 33278, 35655, 38460, 40383, 42786, 44870, 47540, 49917, 53844, 57690, 66556, 67305, 71310, 80766, 83195, 85572, 89740, 99834, 106965, 115380, 134610, 142620, 149751, 161532, 166390, 199668, 201915, 213930, 249585, 269220, 299502, 332780, 403830, 427860, 499170, 599004, 748755, 807660, 998340, 1497510, 1523657, 2995020, 3047314, 4570971, 6094628, 7618285, 9141942, 10665599, 13712913, 15236570, 18283884, 21331198, 22854855, 27425826, 30473140, 31996797, 42662396, 45709710, 53327995, 54851652, 63993594, 68564565, 91419420, 95990391, 106655990, 127987188, 137129130, 159983985, 191980782, 213311980, 274258260, 319967970, 383961564, 479951955, 639935940, 959903910, 1919807820]

約数ペア:

[(1, 1919807820), (2, 959903910), (3, 639935940), (4, 479951955), (5, 383961564), (6, 319967970), (7, 274258260), (9, 213311980), (10, 191980782), (12, 159983985), (14, 137129130), (15, 127987188), (18, 106655990), (20, 95990391), (21, 91419420), (28, 68564565), (30, 63993594), (35, 54851652), (36, 53327995), (42, 45709710), (45, 42662396), (60, 31996797), (63, 30473140), (70, 27425826), (84, 22854855), (90, 21331198), (105, 18283884), (126, 15236570), (140, 13712913), (180, 10665599), (210, 9141942), (252, 7618285), (315, 6094628), (420, 4570971), (630, 3047314), (641, 2995020), (1260, 1523657), (1282, 1497510), (1923, 998340), (2377, 807660), (2564, 748755), (3205, 599004), (3846, 499170), (4487, 427860), (4754, 403830), (5769, 332780), (6410, 299502), (7131, 269220), (7692, 249585), (8974, 213930), (9508, 201915), (9615, 199668), (11538, 166390), (11885, 161532), (12820, 149751), (13461, 142620), (14262, 134610), (16639, 115380), (17948, 106965), (19230, 99834), (21393, 89740), (22435, 85572), (23076, 83195), (23770, 80766), (26922, 71310), (28524, 67305), (28845, 66556), (33278, 57690), (35655, 53844), (38460, 49917), (40383, 47540), (42786, 44870)]