87644340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:571

約数の個数: 216

約数和(自身を含む): 326158560

約数和(自身を除く): 238514220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 523, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1046, 1140, 1197, 1260, 1330, 1470, 1569, 1596, 1710, 1764, 1862, 1995, 2092, 2205, 2394, 2615, 2660, 2793, 2940, 3138, 3420, 3661, 3724, 3990, 4410, 4655, 4707, 4788, 5230, 5586, 5985, 6276, 7322, 7845, 7980, 8379, 8820, 9310, 9414, 9937, 10460, 10983, 11172, 11970, 13965, 14644, 15690, 16758, 18305, 18620, 18828, 19874, 21966, 23535, 23940, 25627, 27930, 29811, 31380, 32949, 33516, 36610, 39748, 41895, 43932, 47070, 49685, 51254, 54915, 55860, 59622, 65898, 69559, 73220, 76881, 83790, 89433, 94140, 99370, 102508, 109830, 119244, 128135, 131796, 139118, 149055, 153762, 164745, 167580, 178866, 198740, 208677, 219660, 230643, 256270, 278236, 298110, 307524, 329490, 347795, 357732, 384405, 417354, 447165, 461286, 486913, 512540, 596220, 626031, 658980, 695590, 768810, 834708, 894330, 922572, 973826, 1043385, 1153215, 1252062, 1391180, 1460739, 1537620, 1788660, 1947652, 2086770, 2306430, 2434565, 2504124, 2921478, 3130155, 4173540, 4382217, 4612860, 4869130, 5842956, 6260310, 7303695, 8764434, 9738260, 12520620, 14607390, 17528868, 21911085, 29214780, 43822170, 87644340]

約数ペア:

[(1, 87644340), (2, 43822170), (3, 29214780), (4, 21911085), (5, 17528868), (6, 14607390), (7, 12520620), (9, 9738260), (10, 8764434), (12, 7303695), (14, 6260310), (15, 5842956), (18, 4869130), (19, 4612860), (20, 4382217), (21, 4173540), (28, 3130155), (30, 2921478), (35, 2504124), (36, 2434565), (38, 2306430), (42, 2086770), (45, 1947652), (49, 1788660), (57, 1537620), (60, 1460739), (63, 1391180), (70, 1252062), (76, 1153215), (84, 1043385), (90, 973826), (95, 922572), (98, 894330), (105, 834708), (114, 768810), (126, 695590), (133, 658980), (140, 626031), (147, 596220), (171, 512540), (180, 486913), (190, 461286), (196, 447165), (210, 417354), (228, 384405), (245, 357732), (252, 347795), (266, 329490), (285, 307524), (294, 298110), (315, 278236), (342, 256270), (380, 230643), (399, 219660), (420, 208677), (441, 198740), (490, 178866), (523, 167580), (532, 164745), (570, 153762), (588, 149055), (630, 139118), (665, 131796), (684, 128135), (735, 119244), (798, 109830), (855, 102508), (882, 99370), (931, 94140), (980, 89433), (1046, 83790), (1140, 76881), (1197, 73220), (1260, 69559), (1330, 65898), (1470, 59622), (1569, 55860), (1596, 54915), (1710, 51254), (1764, 49685), (1862, 47070), (1995, 43932), (2092, 41895), (2205, 39748), (2394, 36610), (2615, 33516), (2660, 32949), (2793, 31380), (2940, 29811), (3138, 27930), (3420, 25627), (3661, 23940), (3724, 23535), (3990, 21966), (4410, 19874), (4655, 18828), (4707, 18620), (4788, 18305), (5230, 16758), (5586, 15690), (5985, 14644), (6276, 13965), (7322, 11970), (7845, 11172), (7980, 10983), (8379, 10460), (8820, 9937), (9310, 9414)]