28888860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 288

約数和(自身を含む): 112154112

約数和(自身を除く): 83265252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 37, 39, 42, 44, 52, 55, 60, 65, 66, 70, 74, 77, 78, 84, 91, 105, 110, 111, 130, 132, 140, 143, 148, 154, 156, 165, 169, 182, 185, 195, 210, 220, 222, 231, 259, 260, 273, 286, 308, 330, 338, 364, 370, 385, 390, 407, 420, 429, 444, 455, 462, 481, 507, 518, 546, 555, 572, 660, 676, 715, 740, 770, 777, 780, 814, 845, 858, 910, 924, 962, 1001, 1014, 1036, 1092, 1110, 1155, 1183, 1221, 1295, 1365, 1430, 1443, 1540, 1554, 1628, 1690, 1716, 1820, 1859, 1924, 2002, 2028, 2035, 2145, 2220, 2310, 2366, 2405, 2442, 2535, 2590, 2730, 2849, 2860, 2886, 3003, 3108, 3367, 3380, 3549, 3718, 3885, 4004, 4070, 4290, 4620, 4732, 4810, 4884, 5005, 5070, 5180, 5291, 5460, 5577, 5698, 5772, 5915, 6006, 6105, 6253, 6734, 7098, 7215, 7436, 7770, 8140, 8547, 8580, 9295, 9620, 10010, 10101, 10140, 10582, 11154, 11396, 11830, 12012, 12210, 12506, 13013, 13468, 14196, 14245, 14430, 15015, 15540, 15873, 16835, 17094, 17745, 18590, 18759, 20020, 20202, 21164, 22308, 23660, 24420, 25012, 26026, 26455, 27885, 28490, 28860, 30030, 31265, 31746, 33670, 34188, 35490, 37037, 37180, 37518, 39039, 40404, 42735, 43771, 50505, 52052, 52910, 55770, 56980, 60060, 62530, 63492, 65065, 67340, 68783, 70980, 74074, 75036, 78078, 79365, 85470, 87542, 93795, 101010, 105820, 111111, 111540, 125060, 130130, 131313, 137566, 148148, 156156, 158730, 170940, 175084, 185185, 187590, 195195, 202020, 206349, 218855, 222222, 260260, 262626, 275132, 317460, 343915, 370370, 375180, 390390, 412698, 437710, 444444, 481481, 525252, 555555, 656565, 687830, 740740, 780780, 825396, 875420, 962962, 1031745, 1111110, 1313130, 1375660, 1444443, 1925924, 2063490, 2222220, 2407405, 2626260, 2888886, 4126980, 4814810, 5777772, 7222215, 9629620, 14444430, 28888860]

約数ペア:

[(1, 28888860), (2, 14444430), (3, 9629620), (4, 7222215), (5, 5777772), (6, 4814810), (7, 4126980), (10, 2888886), (11, 2626260), (12, 2407405), (13, 2222220), (14, 2063490), (15, 1925924), (20, 1444443), (21, 1375660), (22, 1313130), (26, 1111110), (28, 1031745), (30, 962962), (33, 875420), (35, 825396), (37, 780780), (39, 740740), (42, 687830), (44, 656565), (52, 555555), (55, 525252), (60, 481481), (65, 444444), (66, 437710), (70, 412698), (74, 390390), (77, 375180), (78, 370370), (84, 343915), (91, 317460), (105, 275132), (110, 262626), (111, 260260), (130, 222222), (132, 218855), (140, 206349), (143, 202020), (148, 195195), (154, 187590), (156, 185185), (165, 175084), (169, 170940), (182, 158730), (185, 156156), (195, 148148), (210, 137566), (220, 131313), (222, 130130), (231, 125060), (259, 111540), (260, 111111), (273, 105820), (286, 101010), (308, 93795), (330, 87542), (338, 85470), (364, 79365), (370, 78078), (385, 75036), (390, 74074), (407, 70980), (420, 68783), (429, 67340), (444, 65065), (455, 63492), (462, 62530), (481, 60060), (507, 56980), (518, 55770), (546, 52910), (555, 52052), (572, 50505), (660, 43771), (676, 42735), (715, 40404), (740, 39039), (770, 37518), (777, 37180), (780, 37037), (814, 35490), (845, 34188), (858, 33670), (910, 31746), (924, 31265), (962, 30030), (1001, 28860), (1014, 28490), (1036, 27885), (1092, 26455), (1110, 26026), (1155, 25012), (1183, 24420), (1221, 23660), (1295, 22308), (1365, 21164), (1430, 20202), (1443, 20020), (1540, 18759), (1554, 18590), (1628, 17745), (1690, 17094), (1716, 16835), (1820, 15873), (1859, 15540), (1924, 15015), (2002, 14430), (2028, 14245), (2035, 14196), (2145, 13468), (2220, 13013), (2310, 12506), (2366, 12210), (2405, 12012), (2442, 11830), (2535, 11396), (2590, 11154), (2730, 10582), (2849, 10140), (2860, 10101), (2886, 10010), (3003, 9620), (3108, 9295), (3367, 8580), (3380, 8547), (3549, 8140), (3718, 7770), (3885, 7436), (4004, 7215), (4070, 7098), (4290, 6734), (4620, 6253), (4732, 6105), (4810, 6006), (4884, 5915), (5005, 5772), (5070, 5698), (5180, 5577), (5291, 5460)]