440651640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25679}}^1$

素因数の和:25717

約数の個数: 128

約数和(自身を含む): 1553126400

約数和(自身を除く): 1112474760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 17160, 25679, 51358, 77037, 102716, 128395, 154074, 205432, 256790, 282469, 308148, 333827, 385185, 513580, 564938, 616296, 667654, 770370, 847407, 1001481, 1027160, 1129876, 1335308, 1412345, 1540740, 1669135, 1694814, 2002962, 2259752, 2670616, 2824690, 3081480, 3338270, 3389628, 3672097, 4005924, 4237035, 5007405, 5649380, 6676540, 6779256, 7344194, 8011848, 8474070, 10014810, 11016291, 11298760, 13353080, 14688388, 16948140, 18360485, 20029620, 22032582, 29376776, 33896280, 36720970, 40059240, 44065164, 55081455, 73441940, 88130328, 110162910, 146883880, 220325820, 440651640]

約数ペア:

[(1, 440651640), (2, 220325820), (3, 146883880), (4, 110162910), (5, 88130328), (6, 73441940), (8, 55081455), (10, 44065164), (11, 40059240), (12, 36720970), (13, 33896280), (15, 29376776), (20, 22032582), (22, 20029620), (24, 18360485), (26, 16948140), (30, 14688388), (33, 13353080), (39, 11298760), (40, 11016291), (44, 10014810), (52, 8474070), (55, 8011848), (60, 7344194), (65, 6779256), (66, 6676540), (78, 5649380), (88, 5007405), (104, 4237035), (110, 4005924), (120, 3672097), (130, 3389628), (132, 3338270), (143, 3081480), (156, 2824690), (165, 2670616), (195, 2259752), (220, 2002962), (260, 1694814), (264, 1669135), (286, 1540740), (312, 1412345), (330, 1335308), (390, 1129876), (429, 1027160), (440, 1001481), (520, 847407), (572, 770370), (660, 667654), (715, 616296), (780, 564938), (858, 513580), (1144, 385185), (1320, 333827), (1430, 308148), (1560, 282469), (1716, 256790), (2145, 205432), (2860, 154074), (3432, 128395), (4290, 102716), (5720, 77037), (8580, 51358), (17160, 25679)]