142839720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6961}}^1$

素因数の和:7000

約数の個数: 128

約数和(自身を含む): 501264000

約数和(自身を除く): 358424280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 6961, 10260, 13922, 20520, 20883, 27844, 34805, 41766, 55688, 62649, 69610, 83532, 104415, 125298, 132259, 139220, 167064, 187947, 208830, 250596, 264518, 278440, 313245, 375894, 396777, 417660, 501192, 529036, 626490, 661295, 751788, 793554, 835320, 939735, 1058072, 1190331, 1252980, 1322590, 1503576, 1587108, 1879470, 1983885, 2380662, 2505960, 2645180, 3174216, 3570993, 3758940, 3967770, 4761324, 5290360, 5951655, 7141986, 7517880, 7935540, 9522648, 11903310, 14283972, 15871080, 17854965, 23806620, 28567944, 35709930, 47613240, 71419860, 142839720]

約数ペア:

[(1, 142839720), (2, 71419860), (3, 47613240), (4, 35709930), (5, 28567944), (6, 23806620), (8, 17854965), (9, 15871080), (10, 14283972), (12, 11903310), (15, 9522648), (18, 7935540), (19, 7517880), (20, 7141986), (24, 5951655), (27, 5290360), (30, 4761324), (36, 3967770), (38, 3758940), (40, 3570993), (45, 3174216), (54, 2645180), (57, 2505960), (60, 2380662), (72, 1983885), (76, 1879470), (90, 1587108), (95, 1503576), (108, 1322590), (114, 1252980), (120, 1190331), (135, 1058072), (152, 939735), (171, 835320), (180, 793554), (190, 751788), (216, 661295), (228, 626490), (270, 529036), (285, 501192), (342, 417660), (360, 396777), (380, 375894), (456, 313245), (513, 278440), (540, 264518), (570, 250596), (684, 208830), (760, 187947), (855, 167064), (1026, 139220), (1080, 132259), (1140, 125298), (1368, 104415), (1710, 83532), (2052, 69610), (2280, 62649), (2565, 55688), (3420, 41766), (4104, 34805), (5130, 27844), (6840, 20883), (6961, 20520), (10260, 13922)]