1919927640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{509}}^1$

素因数の和:626

約数の個数: 192

約数和(自身を含む): 6255986400

約数和(自身を除く): 4336058760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 509, 510, 516, 645, 680, 731, 860, 1018, 1020, 1032, 1290, 1462, 1527, 1720, 1849, 2036, 2040, 2193, 2545, 2580, 2924, 3054, 3655, 3698, 4072, 4386, 5090, 5160, 5547, 5848, 6108, 7310, 7396, 7635, 8653, 8772, 9245, 10180, 10965, 11094, 12216, 14620, 14792, 15270, 17306, 17544, 18490, 20360, 21887, 21930, 22188, 25959, 27735, 29240, 30540, 31433, 34612, 36980, 43265, 43774, 43860, 44376, 51918, 55470, 61080, 62866, 65661, 69224, 73960, 86530, 87548, 87720, 94299, 103836, 109435, 110940, 125732, 129795, 131322, 157165, 173060, 175096, 188598, 207672, 218870, 221880, 251464, 259590, 262644, 314330, 328305, 346120, 372079, 377196, 437740, 471495, 519180, 525288, 628660, 656610, 744158, 754392, 875480, 941141, 942990, 1038360, 1116237, 1257320, 1313220, 1488316, 1860395, 1882282, 1885980, 2232474, 2626440, 2823423, 2976632, 3720790, 3764564, 3771960, 4464948, 4705705, 5581185, 5646846, 7441580, 7529128, 8929896, 9411410, 11162370, 11293692, 14117115, 14883160, 15999397, 18822820, 22324740, 22587384, 28234230, 31998794, 37645640, 44649480, 47998191, 56468460, 63997588, 79996985, 95996382, 112936920, 127995176, 159993970, 191992764, 239990955, 319987940, 383985528, 479981910, 639975880, 959963820, 1919927640]

約数ペア:

[(1, 1919927640), (2, 959963820), (3, 639975880), (4, 479981910), (5, 383985528), (6, 319987940), (8, 239990955), (10, 191992764), (12, 159993970), (15, 127995176), (17, 112936920), (20, 95996382), (24, 79996985), (30, 63997588), (34, 56468460), (40, 47998191), (43, 44649480), (51, 37645640), (60, 31998794), (68, 28234230), (85, 22587384), (86, 22324740), (102, 18822820), (120, 15999397), (129, 14883160), (136, 14117115), (170, 11293692), (172, 11162370), (204, 9411410), (215, 8929896), (255, 7529128), (258, 7441580), (340, 5646846), (344, 5581185), (408, 4705705), (430, 4464948), (509, 3771960), (510, 3764564), (516, 3720790), (645, 2976632), (680, 2823423), (731, 2626440), (860, 2232474), (1018, 1885980), (1020, 1882282), (1032, 1860395), (1290, 1488316), (1462, 1313220), (1527, 1257320), (1720, 1116237), (1849, 1038360), (2036, 942990), (2040, 941141), (2193, 875480), (2545, 754392), (2580, 744158), (2924, 656610), (3054, 628660), (3655, 525288), (3698, 519180), (4072, 471495), (4386, 437740), (5090, 377196), (5160, 372079), (5547, 346120), (5848, 328305), (6108, 314330), (7310, 262644), (7396, 259590), (7635, 251464), (8653, 221880), (8772, 218870), (9245, 207672), (10180, 188598), (10965, 175096), (11094, 173060), (12216, 157165), (14620, 131322), (14792, 129795), (15270, 125732), (17306, 110940), (17544, 109435), (18490, 103836), (20360, 94299), (21887, 87720), (21930, 87548), (22188, 86530), (25959, 73960), (27735, 69224), (29240, 65661), (30540, 62866), (31433, 61080), (34612, 55470), (36980, 51918), (43265, 44376), (43774, 43860)]